137250612 has 90 divisors (see below), whose sum is σ = 371973602. Its totient is φ = 44097696.

The previous prime is 137250587. The next prime is 137250613. The reversal of 137250612 is 216052731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133541136 + 3709476 = 11556^2 + 1926^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137250613) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1282663 + ... + 1282769.

Almost surely, 2^137250612 is an apocalyptic number.

137250612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137250612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185986801).

137250612 is an abundant number, since it is smaller than the sum of its proper divisors (234722990).

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

137250612 is a wasteful number, since it uses less digits than its factorization.

137250612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 137250612 is about 11715.4006333544. The cubic root of 137250612 is about 515.8278224898.

It can be divided in two parts, 1372 and 50612, that added together give a square (51984 = 228²).

The spelling of 137250612 in words is "one hundred thirty-seven million, two hundred fifty thousand, six hundred twelve".