3120136740 has 288 divisors, whose sum is σ = 11600749440. Its totient is φ = 693681408.

The previous prime is 3120136729. The next prime is 3120136771. The reversal of 3120136740 is 476310213.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 977427 + ... + 980613.

It is an arithmetic number, because the mean of its divisors is an integer number (40280380).

Almost surely, 2^3120136740 is an apocalyptic number.

3120136740 is a gapful number since it is divisible by the number (30) 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 3120136740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5800374720).

3120136740 is an abundant number, since it is smaller than the sum of its proper divisors (8480612700).

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

3120136740 is a wasteful number, since it uses less digits than its factorization.

3120136740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3120136740 is about 55858.1841810133. The cubic root of 3120136740 is about 1461.2500615535.

Adding to 3120136740 its reverse (476310213), we get a palindrome (3596446953).

The spelling of 3120136740 in words is "three billion, one hundred twenty million, one hundred thirty-six thousand, seven hundred forty".