137023438 has 8 divisors (see below), whose sum is σ = 206600688. Its totient is φ = 68156544.

The previous prime is 137023433. The next prime is 137023483. The reversal of 137023438 is 834320731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×137023438² = 37550845122679688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137023433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177106 + ... + 177877.

It is an arithmetic number, because the mean of its divisors is an integer number (25825086).

Almost surely, 2^137023438 is an apocalyptic number.

137023438 is a deficient number, since it is larger than the sum of its proper divisors (69577250).

137023438 is a wasteful number, since it uses less digits than its factorization.

137023438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355178.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 137023438 is about 11705.7010896400. The cubic root of 137023438 is about 515.5430699479.

The spelling of 137023438 in words is "one hundred thirty-seven million, twenty-three thousand, four hundred thirty-eight".