137637512850 has 96 divisors (see below), whose sum is σ = 343118146176. Its totient is φ = 36512742400.

The previous prime is 137637512843. The next prime is 137637512851. The reversal of 137637512850 is 58215736731.

It is a self number, because there is not a number n which added to its sum of digits gives 137637512850.

It is not an unprimeable number, because it can be changed into a prime (137637512851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25981402 + ... + 25986698.

It is an arithmetic number, because the mean of its divisors is an integer number (3574147356).

Almost surely, 2^137637512850 is an apocalyptic number.

137637512850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 137637512850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171559073088).

137637512850 is an abundant number, since it is smaller than the sum of its proper divisors (205480633326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137637512850 is a wasteful number, since it uses less digits than its factorization.

137637512850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6180 (or 6175 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 137637512850 in words is "one hundred thirty-seven billion, six hundred thirty-seven million, five hundred twelve thousand, eight hundred fifty".