137293212 has 24 divisors (see below), whose sum is σ = 366115456. Its totient is φ = 39226608.

The previous prime is 137293193. The next prime is 137293213. The reversal of 137293212 is 212392731.

It is a super-2 number, since 2×137293212² = 37698852122553888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137293212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137293213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817138 + ... + 817305.

Almost surely, 2^137293212 is an apocalyptic number.

137293212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137293212 is an abundant number, since it is smaller than the sum of its proper divisors (228822244).

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

137293212 is a wasteful number, since it uses less digits than its factorization.

137293212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634457 (or 1634455 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 137293212 is about 11717.2186119403. The cubic root of 137293212 is about 515.8811847100.

The spelling of 137293212 in words is "one hundred thirty-seven million, two hundred ninety-three thousand, two hundred twelve".