29142536 has 8 divisors (see below), whose sum is σ = 54642270. Its totient is φ = 14571264.

The previous prime is 29142517. The next prime is 29142551. The reversal of 29142536 is 63524192.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24940036 + 4202500 = 4994^2 + 2050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×29142536² = 1698574809022592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1821401 + ... + 1821416.

Almost surely, 2^29142536 is an apocalyptic number.

It is an amenable number.

29142536 is a deficient number, since it is larger than the sum of its proper divisors (25499734).

29142536 is a wasteful number, since it uses less digits than its factorization.

29142536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642823 (or 3642819 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 29142536 is about 5398.3827207785. The cubic root of 29142536 is about 307.7342115878.

The spelling of 29142536 in words is "twenty-nine million, one hundred forty-two thousand, five hundred thirty-six".