64130508 has 48 divisors (see below), whose sum is σ = 179057760. Its totient is φ = 19732032.

The previous prime is 64130497. The next prime is 64130533. The reversal of 64130508 is 80503146.

It is a super-2 number, since 2×64130508² = 8225444112676128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

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, 21435 + ... + 24242.

It is an arithmetic number, because the mean of its divisors is an integer number (3730370).

Almost surely, 2^64130508 is an apocalyptic number.

It is an amenable number.

64130508 is an abundant number, since it is smaller than the sum of its proper divisors (114927252).

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

64130508 is a wasteful number, since it uses less digits than its factorization.

64130508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45703 (or 45695 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 64130508 is about 8008.1525959487. The cubic root of 64130508 is about 400.2717070631.

The spelling of 64130508 in words is "sixty-four million, one hundred thirty thousand, five hundred eight".