3750785136 has 320 divisors, whose sum is σ = 13104716800. Its totient is φ = 1003290624.

The previous prime is 3750785063. The next prime is 3750785167. The reversal of 3750785136 is 6315870573.

3750785136 is a `hidden beast` number, since 3 + 7 + 507 + 8 + 5 + 136 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3750785091 and 3750785100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5572896 + ... + 5573568.

It is an arithmetic number, because the mean of its divisors is an integer number (40952240).

Almost surely, 2^3750785136 is an apocalyptic number.

3750785136 is a gapful number since it is divisible by the number (36) 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 3750785136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6552358400).

3750785136 is an abundant number, since it is smaller than the sum of its proper divisors (9353931664).

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

3750785136 is a wasteful number, since it uses less digits than its factorization.

3750785136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The square root of 3750785136 is about 61243.6538426636. The cubic root of 3750785136 is about 1553.7246720819.

The spelling of 3750785136 in words is "three billion, seven hundred fifty million, seven hundred eighty-five thousand, one hundred thirty-six".