15730354132 has 6 divisors (see below), whose sum is σ = 27528119738. Its totient is φ = 7865177064.

The previous prime is 15730354033. The next prime is 15730354147. The reversal of 15730354132 is 23145303751.

It can be written as a sum of positive squares in only one way, i.e., 9363271696 + 6367082436 = 96764^2 + 79794^2 .

It is a super-2 number, since 2×15730354132² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1966294263 + ... + 1966294270.

Almost surely, 2^15730354132 is an apocalyptic number.

It is an amenable number.

15730354132 is a deficient number, since it is larger than the sum of its proper divisors (11797765606).

15730354132 is a wasteful number, since it uses less digits than its factorization.

15730354132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932588537 (or 3932588535 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

Adding to 15730354132 its reverse (23145303751), we get a palindrome (38875657883).

The spelling of 15730354132 in words is "fifteen billion, seven hundred thirty million, three hundred fifty-four thousand, one hundred thirty-two".