137224297 has 8 divisors (see below), whose sum is σ = 156910976. Its totient is φ = 117558432.

The previous prime is 137224277. The next prime is 137224301. The reversal of 137224297 is 792422731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137224297 - 2⁷ = 137224169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137224237) 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, 13348 + ... + 21274.

It is an arithmetic number, because the mean of its divisors is an integer number (19613872).

Almost surely, 2^137224297 is an apocalyptic number.

It is an amenable number.

137224297 is a deficient number, since it is larger than the sum of its proper divisors (19686679).

137224297 is an equidigital number, since it uses as much as digits as its factorization.

137224297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10407.

The product of its digits is 42336, while the sum is 37.

The square root of 137224297 is about 11714.2774851887. The cubic root of 137224297 is about 515.7948539015.

The spelling of 137224297 in words is "one hundred thirty-seven million, two hundred twenty-four thousand, two hundred ninety-seven".