3136138840 has 32 divisors (see below), whose sum is σ = 7145640000. Its totient is φ = 1238575104.

The previous prime is 3136138829. The next prime is 3136138847. The reversal of 3136138840 is 488316313.

It is a self number, because there is not a number n which added to its sum of digits gives 3136138840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3136138847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493065 + ... + 499384.

It is an arithmetic number, because the mean of its divisors is an integer number (223301250).

Almost surely, 2^3136138840 is an apocalyptic number.

It is an amenable number.

3136138840 is an abundant number, since it is smaller than the sum of its proper divisors (4009501160).

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

3136138840 is a wasteful number, since it uses less digits than its factorization.

3136138840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992539 (or 992535 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 3136138840 is about 56001.2396291368. The cubic root of 3136138840 is about 1463.7438847961.

The spelling of 3136138840 in words is "three billion, one hundred thirty-six million, one hundred thirty-eight thousand, eight hundred forty".