361557132 has 12 divisors (see below), whose sum is σ = 843633336. Its totient is φ = 120519040.

The previous prime is 361557113. The next prime is 361557143. The reversal of 361557132 is 231755163.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 361557093 and 361557102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15064869 + ... + 15064892.

It is an arithmetic number, because the mean of its divisors is an integer number (70302778).

Almost surely, 2^361557132 is an apocalyptic number.

It is an amenable number.

361557132 is an abundant number, since it is smaller than the sum of its proper divisors (482076204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

361557132 is a wasteful number, since it uses less digits than its factorization.

361557132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30129768 (or 30129766 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 361557132 is about 19014.6557160523. The cubic root of 361557132 is about 712.4028435083.

The spelling of 361557132 in words is "three hundred sixty-one million, five hundred fifty-seven thousand, one hundred thirty-two".