1372139232 has 48 divisors (see below), whose sum is σ = 3604914432. Its totient is φ = 456992640.

The previous prime is 1372139231. The next prime is 1372139269. The reversal of 1372139232 is 2329312731.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1372139193 and 1372139202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372139231) 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, 122007 + ... + 132777.

It is an arithmetic number, because the mean of its divisors is an integer number (75102384).

Almost surely, 2^1372139232 is an apocalyptic number.

1372139232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1372139232 is an abundant number, since it is smaller than the sum of its proper divisors (2232775200).

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

1372139232 is a wasteful number, since it uses less digits than its factorization.

1372139232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12111 (or 12103 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 1372139232 is about 37042.3977625639. The cubic root of 1372139232 is about 1111.2183230355.

The spelling of 1372139232 in words is "one billion, three hundred seventy-two million, one hundred thirty-nine thousand, two hundred thirty-two".