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130134877 = 277469801
BaseRepresentation
bin1111100000110…
…11001101011101
3100001212112111021
413300123031131
5231303304002
620525124141
73140061655
oct760331535
9301775437
10130134877
1167504294
12376b9651
1320c64cb2
14133d7365
15b658737
hex7c1b35d

130134877 has 4 divisors (see below), whose sum is σ = 130604956. Its totient is φ = 129664800.

The previous prime is 130134871. The next prime is 130134887. The reversal of 130134877 is 778431031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87871876 + 42263001 = 9374^2 + 6501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130134877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130134871) 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, 234624 + ... + 235177.

It is an arithmetic number, because the mean of its divisors is an integer number (32651239).

Almost surely, 2130134877 is an apocalyptic number.

It is an amenable number.

130134877 is a deficient number, since it is larger than the sum of its proper divisors (470079).

130134877 is an equidigital number, since it uses as much as digits as its factorization.

130134877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470078.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 130134877 is about 11407.6674653498. The cubic root of 130134877 is about 506.7548361007.

The spelling of 130134877 in words is "one hundred thirty million, one hundred thirty-four thousand, eight hundred seventy-seven".

Divisors: 1 277 469801 130134877