1137804638 has 4 divisors (see below), whose sum is σ = 1706706960. Its totient is φ = 568902318.

The previous prime is 1137804599. The next prime is 1137804659. The reversal of 1137804638 is 8364087311.

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

It is a super-2 number, since 2×1137804638² = 2589198788508622088, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1137804595 and 1137804604.

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, 284451158 + ... + 284451161.

It is an arithmetic number, because the mean of its divisors is an integer number (426676740).

Almost surely, 2^1137804638 is an apocalyptic number.

1137804638 is a deficient number, since it is larger than the sum of its proper divisors (568902322).

1137804638 is an equidigital number, since it uses as much as digits as its factorization.

1137804638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568902321.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1137804638 is about 33731.3598599286. The cubic root of 1137804638 is about 1043.9729194201.

The spelling of 1137804638 in words is "one billion, one hundred thirty-seven million, eight hundred four thousand, six hundred thirty-eight".