1372927140 has 144 divisors (see below), whose sum is σ = 4748850288. Its totient is φ = 318062592.

The previous prime is 1372927139. The next prime is 1372927147. The reversal of 1372927140 is 417292731.

It can be written as a sum of positive squares in 8 ways, for example, as 13972644 + 1358954496 = 3738^2 + 36864^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1372927095 and 1372927104.

It is not an unprimeable number, because it can be changed into a prime (1372927147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22524 + ... + 57036.

It is an arithmetic number, because the mean of its divisors is an integer number (32978127).

Almost surely, 2^1372927140 is an apocalyptic number.

1372927140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372927140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374425144).

1372927140 is an abundant number, since it is smaller than the sum of its proper divisors (3375923148).

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

1372927140 is a wasteful number, since it uses less digits than its factorization.

1372927140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34558 (or 34553 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 1372927140 is about 37053.0314549296. The cubic root of 1372927140 is about 1111.4309764495.

The spelling of 1372927140 in words is "one billion, three hundred seventy-two million, nine hundred twenty-seven thousand, one hundred forty".