137552438 has 16 divisors (see below), whose sum is σ = 220752240. Its totient is φ = 64087200.

The previous prime is 137552431. The next prime is 137552453. The reversal of 137552438 is 834255731.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137552431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27353 + ... + 31988.

It is an arithmetic number, because the mean of its divisors is an integer number (13797015).

Almost surely, 2^137552438 is an apocalyptic number.

137552438 is a deficient number, since it is larger than the sum of its proper divisors (83199802).

137552438 is a wasteful number, since it uses less digits than its factorization.

137552438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59423.

The product of its digits is 100800, while the sum is 38.

The square root of 137552438 is about 11728.2751502512. The cubic root of 137552438 is about 516.2056623645.

The spelling of 137552438 in words is "one hundred thirty-seven million, five hundred fifty-two thousand, four hundred thirty-eight".