64298137 has 4 divisors (see below), whose sum is σ = 64369936. Its totient is φ = 64226340.

The previous prime is 64298111. The next prime is 64298153. The reversal of 64298137 is 73189246.

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 a cyclic number.

It is not a de Polignac number, because 64298137 - 2⁷ = 64298009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64298137.

It is not an unprimeable number, because it can be changed into a prime (64298167) 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, 34539 + ... + 36352.

It is an arithmetic number, because the mean of its divisors is an integer number (16092484).

Almost surely, 2^64298137 is an apocalyptic number.

It is an amenable number.

64298137 is a deficient number, since it is larger than the sum of its proper divisors (71799).

64298137 is an equidigital number, since it uses as much as digits as its factorization.

64298137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71798.

The product of its digits is 72576, while the sum is 40.

The square root of 64298137 is about 8018.6119122950. The cubic root of 64298137 is about 400.6201567671.

The spelling of 64298137 in words is "sixty-four million, two hundred ninety-eight thousand, one hundred thirty-seven".