464560139 has 8 divisors (see below), whose sum is σ = 493805808. Its totient is φ = 435527680.

The previous prime is 464560121. The next prime is 464560157. The reversal of 464560139 is 931065464.

It is an interprime number because it is at equal distance from previous prime (464560121) and next prime (464560157).

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 464560139 - 2⁸ = 464559883 is a prime.

It is a super-2 number, since 2×464560139² = 431632245495398642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (464560169) 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, 48797 + ... + 57534.

It is an arithmetic number, because the mean of its divisors is an integer number (61725726).

Almost surely, 2^464560139 is an apocalyptic number.

464560139 is a deficient number, since it is larger than the sum of its proper divisors (29245669).

464560139 is a wasteful number, since it uses less digits than its factorization.

464560139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106605.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 464560139 is about 21553.6572070728. The cubic root of 464560139 is about 774.4867300024.

The spelling of 464560139 in words is "four hundred sixty-four million, five hundred sixty thousand, one hundred thirty-nine".