29134515688 has 16 divisors (see below), whose sum is σ = 56510914500. Its totient is φ = 14064938496.

The previous prime is 29134515653. The next prime is 29134515703. The reversal of 29134515688 is 88651543192.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29002771204 + 131744484 = 170302^2 + 11478^2 .

It is a super-2 number, since 2×29134515688² (a number of 22 digits) contains 22 as substring.

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, 62789673 + ... + 62790136.

Almost surely, 2^29134515688 is an apocalyptic number.

It is an amenable number.

29134515688 is a deficient number, since it is larger than the sum of its proper divisors (27376398812).

29134515688 is a wasteful number, since it uses less digits than its factorization.

29134515688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125579844 (or 125579840 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 52.

The spelling of 29134515688 in words is "twenty-nine billion, one hundred thirty-four million, five hundred fifteen thousand, six hundred eighty-eight".