37901500138 has 4 divisors (see below), whose sum is σ = 56852250210. Its totient is φ = 18950750068.

The previous prime is 37901500127. The next prime is 37901500139. The reversal of 37901500138 is 83100510973.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83100510973 = 1753 ⋅47404741.

It can be written as a sum of positive squares in only one way, i.e., 35884861489 + 2016638649 = 189433^2 + 44907^2 .

It is a super-3 number, since 3×37901500138³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 37901500097 and 37901500106.

It is not an unprimeable number, because it can be changed into a prime (37901500139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9475375033 + ... + 9475375036.

Almost surely, 2^37901500138 is an apocalyptic number.

37901500138 is a deficient number, since it is larger than the sum of its proper divisors (18950750072).

37901500138 is a wasteful number, since it uses less digits than its factorization.

37901500138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18950750071.

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 37901500138 in words is "thirty-seven billion, nine hundred one million, five hundred thousand, one hundred thirty-eight".