1137397436 has 12 divisors (see below), whose sum is σ = 2274794928. Its totient is φ = 487456032.

The previous prime is 1137397397. The next prime is 1137397463. The reversal of 1137397436 is 6347937311.

1137397436 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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, 20310641 + ... + 20310696.

It is an arithmetic number, because the mean of its divisors is an integer number (189566244).

Almost surely, 2^1137397436 is an apocalyptic number.

It is an amenable number.

1137397436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1137397436 is a wasteful number, since it uses less digits than its factorization.

1137397436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40621348 (or 40621346 counting only the distinct ones).

The product of its digits is 285768, while the sum is 44.

The square root of 1137397436 is about 33725.3233639056. The cubic root of 1137397436 is about 1043.8483641817.

The spelling of 1137397436 in words is "one billion, one hundred thirty-seven million, three hundred ninety-seven thousand, four hundred thirty-six".