1456589139 has 4 divisors (see below), whose sum is σ = 1942118856. Its totient is φ = 971059424.

The previous prime is 1456589137. The next prime is 1456589143. The reversal of 1456589139 is 9319856541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1456589139 - 2¹ = 1456589137 is a prime.

It is a super-2 number, since 2×1456589139² = 4243303839705522642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1456589091 and 1456589100.

It is not an unprimeable number, because it can be changed into a prime (1456589137) 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, 242764854 + ... + 242764859.

It is an arithmetic number, because the mean of its divisors is an integer number (485529714).

Almost surely, 2^1456589139 is an apocalyptic number.

1456589139 is a deficient number, since it is larger than the sum of its proper divisors (485529717).

1456589139 is an equidigital number, since it uses as much as digits as its factorization.

1456589139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485529716.

The product of its digits is 1166400, while the sum is 51.

The square root of 1456589139 is about 38165.2870944265. The cubic root of 1456589139 is about 1133.5630710066.

The spelling of 1456589139 in words is "one billion, four hundred fifty-six million, five hundred eighty-nine thousand, one hundred thirty-nine".