1140623379 has 24 divisors (see below), whose sum is σ = 1883833952. Its totient is φ = 651473280.

The previous prime is 1140623359. The next prime is 1140623399. The reversal of 1140623379 is 9733260411.

1140623379 is a `hidden beast` number, since 11 + 406 + 233 + 7 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (1140623359) and next prime (1140623399).

It is not a de Polignac number, because 1140623379 - 2¹¹ = 1140621331 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1140623359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 220527 + ... + 225639.

Almost surely, 2^1140623379 is an apocalyptic number.

1140623379 is a deficient number, since it is larger than the sum of its proper divisors (743210573).

1140623379 is a wasteful number, since it uses less digits than its factorization.

1140623379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667 (or 8664 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1140623379 is about 33773.1162168965. The cubic root of 1140623379 is about 1044.8343041392.

The spelling of 1140623379 in words is "one billion, one hundred forty million, six hundred twenty-three thousand, three hundred seventy-nine".