137497001 has 4 divisors (see below), whose sum is σ = 137530512. Its totient is φ = 137463492.

The previous prime is 137496991. The next prime is 137497021. The reversal of 137497001 is 100794731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 137497001 - 2¹⁰ = 137495977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137497021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9575 + ... + 19148.

It is an arithmetic number, because the mean of its divisors is an integer number (34382628).

Almost surely, 2^137497001 is an apocalyptic number.

It is an amenable number.

137497001 is a deficient number, since it is larger than the sum of its proper divisors (33511).

137497001 is an equidigital number, since it uses as much as digits as its factorization.

137497001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33510.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 137497001 is about 11725.9115210716. The cubic root of 137497001 is about 516.1363052063.

The spelling of 137497001 in words is "one hundred thirty-seven million, four hundred ninety-seven thousand, one".