1137991679 has 16 divisors (see below), whose sum is σ = 1356880896. Its totient is φ = 942268800.

The previous prime is 1137991667. The next prime is 1137991693. The reversal of 1137991679 is 9761997311.

It is not a de Polignac number, because 1137991679 - 2⁴ = 1137991663 is a prime.

It is a super-2 number, since 2×1137991679² = 2590050122946478082, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1137991679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137991619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92357 + ... + 103950.

It is an arithmetic number, because the mean of its divisors is an integer number (84805056).

Almost surely, 2^1137991679 is an apocalyptic number.

1137991679 is a deficient number, since it is larger than the sum of its proper divisors (218889217).

1137991679 is a wasteful number, since it uses less digits than its factorization.

1137991679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196366.

The product of its digits is 642978, while the sum is 53.

The square root of 1137991679 is about 33734.1322550321. The cubic root of 1137991679 is about 1044.0301216947.

The spelling of 1137991679 in words is "one billion, one hundred thirty-seven million, nine hundred ninety-one thousand, six hundred seventy-nine".