137224780 has 48 divisors (see below), whose sum is σ = 359283456. Its totient is φ = 42770880.

The previous prime is 137224771. The next prime is 137224793. The reversal of 137224780 is 87422731.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43014 + ... + 46093.

It is an arithmetic number, because the mean of its divisors is an integer number (7485072).

Almost surely, 2^137224780 is an apocalyptic number.

137224780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137224780 is an abundant number, since it is smaller than the sum of its proper divisors (222058676).

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

137224780 is a wasteful number, since it uses less digits than its factorization.

137224780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89134 (or 89132 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 137224780 is about 11714.2981010387. The cubic root of 137224780 is about 515.7954590631.

The spelling of 137224780 in words is "one hundred thirty-seven million, two hundred twenty-four thousand, seven hundred eighty".