1137399838 has 4 divisors (see below), whose sum is σ = 1706099760. Its totient is φ = 568699918.

The previous prime is 1137399821. The next prime is 1137399847. The reversal of 1137399838 is 8389937311.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 284349958 + ... + 284349961.

It is an arithmetic number, because the mean of its divisors is an integer number (426524940).

Almost surely, 2^1137399838 is an apocalyptic number.

1137399838 is a deficient number, since it is larger than the sum of its proper divisors (568699922).

1137399838 is an equidigital number, since it uses as much as digits as its factorization.

1137399838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568699921.

The product of its digits is 979776, while the sum is 52.

The square root of 1137399838 is about 33725.3589751095. The cubic root of 1137399838 is about 1043.8490989943.

The spelling of 1137399838 in words is "one billion, one hundred thirty-seven million, three hundred ninety-nine thousand, eight hundred thirty-eight".