1078964138 has 32 divisors (see below), whose sum is σ = 1881854208. Its totient is φ = 454406400.

The previous prime is 1078964129. The next prime is 1078964147. The reversal of 1078964138 is 8314698701.

It is an interprime number because it is at equal distance from previous prime (1078964129) and next prime (1078964147).

It is a super-2 number, since 2×1078964138² = 2328327222180166088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1078964092 and 1078964101.

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, 333368 + ... + 336588.

It is an arithmetic number, because the mean of its divisors is an integer number (58807944).

Almost surely, 2^1078964138 is an apocalyptic number.

1078964138 is a deficient number, since it is larger than the sum of its proper divisors (802890070).

1078964138 is a wasteful number, since it uses less digits than its factorization.

1078964138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3638.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 1078964138 is about 32847.5895310447. The cubic root of 1078964138 is about 1025.6574447266.

The spelling of 1078964138 in words is "one billion, seventy-eight million, nine hundred sixty-four thousand, one hundred thirty-eight".