3138612460 has 24 divisors (see below), whose sum is σ = 6639202080. Its totient is φ = 1246280064.

The previous prime is 3138612383. The next prime is 3138612461. The reversal of 3138612460 is 642168313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3138612461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570000 + ... + 575479.

It is an arithmetic number, because the mean of its divisors is an integer number (276633420).

Almost surely, 2^3138612460 is an apocalyptic number.

It is an amenable number.

3138612460 is an abundant number, since it is smaller than the sum of its proper divisors (3500589620).

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

3138612460 is a wasteful number, since it uses less digits than its factorization.

3138612460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145625 (or 1145623 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 3138612460 is about 56023.3206798740. The cubic root of 3138612460 is about 1464.1286248431.

The spelling of 3138612460 in words is "three billion, one hundred thirty-eight million, six hundred twelve thousand, four hundred sixty".