238137752 has 8 divisors (see below), whose sum is σ = 446508300. Its totient is φ = 119068872.

The previous prime is 238137733. The next prime is 238137863. The reversal of 238137752 is 257731832.

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

It is a super-2 number, since 2×238137752² = 113419177855227008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14883602 + ... + 14883617.

Almost surely, 2^238137752 is an apocalyptic number.

It is an amenable number.

238137752 is a deficient number, since it is larger than the sum of its proper divisors (208370548).

238137752 is a wasteful number, since it uses less digits than its factorization.

238137752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29767225 (or 29767221 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 238137752 is about 15431.7125426830. The cubic root of 238137752 is about 619.8349820976.

The spelling of 238137752 in words is "two hundred thirty-eight million, one hundred thirty-seven thousand, seven hundred fifty-two".