1372052136 has 128 divisors (see below), whose sum is σ = 4308192000. Its totient is φ = 361831680.

The previous prime is 1372052117. The next prime is 1372052137. The reversal of 1372052136 is 6312502731.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1372052137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100606 + ... + 113426.

It is an arithmetic number, because the mean of its divisors is an integer number (33657750).

Almost surely, 2^1372052136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1372052136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154096000).

1372052136 is an abundant number, since it is smaller than the sum of its proper divisors (2936139864).

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

1372052136 is a wasteful number, since it uses less digits than its factorization.

1372052136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12864 (or 12846 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1372052136 is about 37041.2221180673. Note that the first 3 decimals coincide. The cubic root of 1372052136 is about 1111.1948111555.

Adding to 1372052136 its reverse (6312502731), we get a palindrome (7684554867).

It can be divided in two parts, 13720 and 52136, that added together give a palindrome (65856).

The spelling of 1372052136 in words is "one billion, three hundred seventy-two million, fifty-two thousand, one hundred thirty-six".