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132813037 = 718973291
BaseRepresentation
bin1111110101010…
…01000011101101
3100020220121020101
413322221003231
5233000004122
621102351101
73201615010
oct772510355
9306817211
10132813037
1168a73445
123858b491
1321691cc6
14138d3377
15b9d7027
hex7ea90ed

132813037 has 4 divisors (see below), whose sum is σ = 151786336. Its totient is φ = 113839740.

The previous prime is 132813013. The next prime is 132813047. The reversal of 132813037 is 730318231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 730318231 = 3172303843.

It is not a de Polignac number, because 132813037 - 211 = 132810989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132812996 and 132813014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132813047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9486639 + ... + 9486652.

It is an arithmetic number, because the mean of its divisors is an integer number (37946584).

Almost surely, 2132813037 is an apocalyptic number.

It is an amenable number.

132813037 is a deficient number, since it is larger than the sum of its proper divisors (18973299).

132813037 is an equidigital number, since it uses as much as digits as its factorization.

132813037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18973298.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 132813037 is about 11524.4538699237. The cubic root of 132813037 is about 510.2075753776.

It can be divided in two parts, 1328 and 13037, that added together give a triangular number (14365 = T169).

The spelling of 132813037 in words is "one hundred thirty-two million, eight hundred thirteen thousand, thirty-seven".

Divisors: 1 7 18973291 132813037