3137445636 has 96 divisors (see below), whose sum is σ = 8285870208. Its totient is φ = 917360640.

The previous prime is 3137445629. The next prime is 3137445637. The reversal of 3137445636 is 6365447313.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3137445637) 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, 241876 + ... + 254516.

It is an arithmetic number, because the mean of its divisors is an integer number (86311148).

Almost surely, 2^3137445636 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 3137445636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4142935104).

3137445636 is an abundant number, since it is smaller than the sum of its proper divisors (5148424572).

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

3137445636 is a wasteful number, since it uses less digits than its factorization.

3137445636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12741 (or 12739 counting only the distinct ones).

The product of its digits is 544320, while the sum is 42.

The square root of 3137445636 is about 56012.9059771050. The cubic root of 3137445636 is about 1463.9471654467.

The spelling of 3137445636 in words is "three billion, one hundred thirty-seven million, four hundred forty-five thousand, six hundred thirty-six".