29139532 has 12 divisors (see below), whose sum is σ = 51034480. Its totient is φ = 14558256.

The previous prime is 29139511. The next prime is 29139541. The reversal of 29139532 is 23593192.

It is a super-2 number, since 2×29139532² = 1698224650358048, which 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, 5578 + ... + 9454.

Almost surely, 2^29139532 is an apocalyptic number.

It is an amenable number.

29139532 is a deficient number, since it is larger than the sum of its proper divisors (21894948).

29139532 is a wasteful number, since it uses less digits than its factorization.

29139532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5760 (or 5758 counting only the distinct ones).

The product of its digits is 14580, while the sum is 34.

The square root of 29139532 is about 5398.1044821307. The cubic root of 29139532 is about 307.7236375214.

The spelling of 29139532 in words is "twenty-nine million, one hundred thirty-nine thousand, five hundred thirty-two".