3105136944 has 400 divisors, whose sum is σ = 11206907712. Its totient is φ = 808206336.

The previous prime is 3105136943. The next prime is 3105137047. The reversal of 3105136944 is 4496315013.

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 = 3105136899 and 3105136908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3105136943) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 13326652 + ... + 13326884.

Almost surely, 2^3105136944 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 3105136944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5603453856).

3105136944 is an abundant number, since it is smaller than the sum of its proper divisors (8101770768).

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

3105136944 is a wasteful number, since it uses less digits than its factorization.

3105136944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 3105136944 is about 55723.7556523248. The cubic root of 3105136944 is about 1458.9046867109.

The spelling of 3105136944 in words is "three billion, one hundred five million, one hundred thirty-six thousand, nine hundred forty-four".