1374139332 has 36 divisors (see below), whose sum is σ = 3475328220. Its totient is φ = 457807872.

The previous prime is 1374139309. The next prime is 1374139357. The reversal of 1374139332 is 2339314731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 461132676 + 913006656 = 21474^2 + 30216^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 68644 + ... + 86372.

It is an arithmetic number, because the mean of its divisors is an integer number (96536895).

Almost surely, 2^1374139332 is an apocalyptic number.

1374139332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1374139332 is an abundant number, since it is smaller than the sum of its proper divisors (2101188888).

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

1374139332 is a wasteful number, since it uses less digits than its factorization.

1374139332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19892 (or 19887 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 1374139332 is about 37069.3853739174. The cubic root of 1374139332 is about 1111.7579837079.

The spelling of 1374139332 in words is "one billion, three hundred seventy-four million, one hundred thirty-nine thousand, three hundred thirty-two".