29148136 has 8 divisors (see below), whose sum is σ = 54652770. Its totient is φ = 14574064.

The previous prime is 29148121. The next prime is 29148143. The reversal of 29148136 is 63184192.

It can be written as a sum of positive squares in only one way, i.e., 29095236 + 52900 = 5394^2 + 230^2 .

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

It is a super-2 number, since 2×29148136² = 1699227664548992, 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, 1821751 + ... + 1821766.

Almost surely, 2^29148136 is an apocalyptic number.

It is an amenable number.

29148136 is a deficient number, since it is larger than the sum of its proper divisors (25504634).

29148136 is a wasteful number, since it uses less digits than its factorization.

29148136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643523 (or 3643519 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 29148136 is about 5398.9013697233. The cubic root of 29148136 is about 307.7539216228.

The spelling of 29148136 in words is "twenty-nine million, one hundred forty-eight thousand, one hundred thirty-six".