3125789136 has 40 divisors (see below), whose sum is σ = 8972173760. Its totient is φ = 1041929568.

The previous prime is 3125789131. The next prime is 3125789137. The reversal of 3125789136 is 6319875213.

3125789136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3125789091 and 3125789100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125789131) 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, 3617380 + ... + 3618243.

It is an arithmetic number, because the mean of its divisors is an integer number (224304344).

Almost surely, 2^3125789136 is an apocalyptic number.

3125789136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3125789136 is an abundant number, since it is smaller than the sum of its proper divisors (5846384624).

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

3125789136 is a wasteful number, since it uses less digits than its factorization.

3125789136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7235640 (or 7235628 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3125789136 is about 55908.7572389156. The cubic root of 3125789136 is about 1462.1319226243.

The spelling of 3125789136 in words is "three billion, one hundred twenty-five million, seven hundred eighty-nine thousand, one hundred thirty-six".