1137731207 has 8 divisors (see below), whose sum is σ = 1154037696. Its totient is φ = 1121444352.

The previous prime is 1137731197. The next prime is 1137731227. The reversal of 1137731207 is 7021377311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1137731207 - 2⁶ = 1137731143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137731227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143378 + ... + 151104.

It is an arithmetic number, because the mean of its divisors is an integer number (144254712).

Almost surely, 2^1137731207 is an apocalyptic number.

1137731207 is a deficient number, since it is larger than the sum of its proper divisors (16306489).

1137731207 is an equidigital number, since it uses as much as digits as its factorization.

1137731207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9817.

The product of its (nonzero) digits is 6174, while the sum is 32.

The square root of 1137731207 is about 33730.2713745383. The cubic root of 1137731207 is about 1043.9504604899.

The spelling of 1137731207 in words is "one billion, one hundred thirty-seven million, seven hundred thirty-one thousand, two hundred seven".