137066772 has 24 divisors (see below), whose sum is σ = 327624192. Its totient is φ = 44574400.

The previous prime is 137066749. The next prime is 137066807. The reversal of 137066772 is 277660731.

It is a self number, because there is not a number n which added to its sum of digits gives 137066772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138804 + ... + 139787.

It is an arithmetic number, because the mean of its divisors is an integer number (13651008).

Almost surely, 2^137066772 is an apocalyptic number.

137066772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137066772 is an abundant number, since it is smaller than the sum of its proper divisors (190557420).

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

137066772 is a wasteful number, since it uses less digits than its factorization.

137066772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278639 (or 278637 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 137066772 is about 11707.5519217298. The cubic root of 137066772 is about 515.5974114752.

The spelling of 137066772 in words is "one hundred thirty-seven million, sixty-six thousand, seven hundred seventy-two".