1139976830 has 32 divisors (see below), whose sum is σ = 2143217664. Its totient is φ = 435748896.

The previous prime is 1139976821. The next prime is 1139976889. The reversal of 1139976830 is 386799311.

It is a happy number.

It is a congruent number.

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, 358829 + ... + 361991.

It is an arithmetic number, because the mean of its divisors is an integer number (66975552).

Almost surely, 2^1139976830 is an apocalyptic number.

1139976830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1139976830 is a deficient number, since it is larger than the sum of its proper divisors (1003240834).

1139976830 is a wasteful number, since it uses less digits than its factorization.

1139976830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4760.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1139976830 is about 33763.5429124374. The cubic root of 1139976830 is about 1044.6368494645.

The spelling of 1139976830 in words is "one billion, one hundred thirty-nine million, nine hundred seventy-six thousand, eight hundred thirty".