1304156632 has 32 divisors (see below), whose sum is σ = 2649358800. Its totient is φ = 599445504.

The previous prime is 1304156629. The next prime is 1304156641. The reversal of 1304156632 is 2366514031.

It is a junction number, because it is equal to n+sod(n) for n = 1304156594 and 1304156603.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 105657 + ... + 117352.

Almost surely, 2^1304156632 is an apocalyptic number.

It is an amenable number.

1304156632 is an abundant number, since it is smaller than the sum of its proper divisors (1345202168).

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

1304156632 is a wasteful number, since it uses less digits than its factorization.

1304156632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223075 (or 223071 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1304156632 is about 36113.1088664490. The cubic root of 1304156632 is about 1092.5548553989.

The spelling of 1304156632 in words is "one billion, three hundred four million, one hundred fifty-six thousand, six hundred thirty-two".