1459957138 has 4 divisors (see below), whose sum is σ = 2189935710. Its totient is φ = 729978568.

The previous prime is 1459957117. The next prime is 1459957189. The reversal of 1459957138 is 8317599541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8317599541 = 47 ⋅176970203.

It can be written as a sum of positive squares in only one way, i.e., 1265438329 + 194518809 = 35573^2 + 13947^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364989283 + ... + 364989286.

Almost surely, 2^1459957138 is an apocalyptic number.

1459957138 is a deficient number, since it is larger than the sum of its proper divisors (729978572).

1459957138 is an equidigital number, since it uses as much as digits as its factorization.

1459957138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729978571.

The product of its digits is 1360800, while the sum is 52.

The square root of 1459957138 is about 38209.3854700648. The cubic root of 1459957138 is about 1134.4360924055.

The spelling of 1459957138 in words is "one billion, four hundred fifty-nine million, nine hundred fifty-seven thousand, one hundred thirty-eight".