1137994699 has 4 divisors (see below), whose sum is σ = 1164459736. Its totient is φ = 1111529664.

The previous prime is 1137994679. The next prime is 1137994709. The reversal of 1137994699 is 9964997311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1137994699 - 2¹⁵ = 1137961931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1137994609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13232454 + ... + 13232539.

It is an arithmetic number, because the mean of its divisors is an integer number (291114934).

Almost surely, 2^1137994699 is an apocalyptic number.

1137994699 is a deficient number, since it is larger than the sum of its proper divisors (26465037).

1137994699 is an equidigital number, since it uses as much as digits as its factorization.

1137994699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26465036.

The product of its digits is 3306744, while the sum is 58.

The square root of 1137994699 is about 33734.1770167882. The cubic root of 1137994699 is about 1044.0310452422.

The spelling of 1137994699 in words is "one billion, one hundred thirty-seven million, nine hundred ninety-four thousand, six hundred ninety-nine".