1214731137 has 16 divisors (see below), whose sum is σ = 1632137472. Its totient is φ = 803587200.

The previous prime is 1214731109. The next prime is 1214731151. The reversal of 1214731137 is 7311374121.

It is not a de Polignac number, because 1214731137 - 2¹⁵ = 1214698369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214731157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515512 + ... + 517862.

It is an arithmetic number, because the mean of its divisors is an integer number (102008592).

Almost surely, 2^1214731137 is an apocalyptic number.

It is an amenable number.

1214731137 is a deficient number, since it is larger than the sum of its proper divisors (417406335).

1214731137 is a wasteful number, since it uses less digits than its factorization.

1214731137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608.

The product of its digits is 3528, while the sum is 30.

The square root of 1214731137 is about 34852.9932287028. The cubic root of 1214731137 is about 1066.9892763221.

The spelling of 1214731137 in words is "one billion, two hundred fourteen million, seven hundred thirty-one thousand, one hundred thirty-seven".