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132708143 = 401330943
BaseRepresentation
bin1111110100011…
…11011100101111
3100020201021100102
413322033130233
5232433130033
621100221315
73201000131
oct772173457
9306637312
10132708143
1168a01657
123853a83b
1321656339
14138a7051
15b9b5de8
hex7e8f72f

132708143 has 4 divisors (see below), whose sum is σ = 133039488. Its totient is φ = 132376800.

The previous prime is 132708097. The next prime is 132708157. The reversal of 132708143 is 341807231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341807231 = 2621130411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132708143 is a prime.

It is a super-2 number, since 2×1327081432 = 35222902437016898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132708193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165071 + ... + 165872.

It is an arithmetic number, because the mean of its divisors is an integer number (33259872).

Almost surely, 2132708143 is an apocalyptic number.

132708143 is a deficient number, since it is larger than the sum of its proper divisors (331345).

132708143 is an equidigital number, since it uses as much as digits as its factorization.

132708143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331344.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 132708143 is about 11519.9020395141. The cubic root of 132708143 is about 510.0732215772.

The spelling of 132708143 in words is "one hundred thirty-two million, seven hundred eight thousand, one hundred forty-three".

Divisors: 1 401 330943 132708143