37121746136 has 8 divisors (see below), whose sum is σ = 69603274020. Its totient is φ = 18560873064.

The previous prime is 37121746127. The next prime is 37121746139. The reversal of 37121746136 is 63164712173.

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

It is a junction number, because it is equal to n+sod(n) for n = 37121746093 and 37121746102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37121746139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320109126 + ... + 2320109141.

Almost surely, 2^37121746136 is an apocalyptic number.

It is an amenable number.

37121746136 is a deficient number, since it is larger than the sum of its proper divisors (32481527884).

37121746136 is a wasteful number, since it uses less digits than its factorization.

37121746136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4640218273 (or 4640218269 counting only the distinct ones).

The product of its digits is 127008, while the sum is 41.

The spelling of 37121746136 in words is "thirty-seven billion, one hundred twenty-one million, seven hundred forty-six thousand, one hundred thirty-six".