137147297 has 8 divisors (see below), whose sum is σ = 156821952. Its totient is φ = 117493200.

The previous prime is 137147243. The next prime is 137147299. The reversal of 137147297 is 792741731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137147297 is a prime.

It is a super-3 number, since 3×137147297³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (137147299) 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, 13847 + ... + 21587.

It is an arithmetic number, because the mean of its divisors is an integer number (19602744).

Almost surely, 2^137147297 is an apocalyptic number.

It is an amenable number.

137147297 is a deficient number, since it is larger than the sum of its proper divisors (19674655).

137147297 is an equidigital number, since it uses as much as digits as its factorization.

137147297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10279.

The product of its digits is 74088, while the sum is 41.

The square root of 137147297 is about 11710.9904363380. The cubic root of 137147297 is about 515.6983607014.

The spelling of 137147297 in words is "one hundred thirty-seven million, one hundred forty-seven thousand, two hundred ninety-seven".