2256135390 has 32 divisors (see below), whose sum is σ = 6016361760. Its totient is φ = 601636032.

The previous prime is 2256135367. The next prime is 2256135457. The reversal of 2256135390 is 935316522.

2256135390 is a `hidden beast` number, since 2 + 2 + 5 + 613 + 5 + 39 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4177759 + ... + 4178298.

It is an arithmetic number, because the mean of its divisors is an integer number (188011305).

Almost surely, 2^2256135390 is an apocalyptic number.

2256135390 is an abundant number, since it is smaller than the sum of its proper divisors (3760226370).

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

2256135390 is a wasteful number, since it uses less digits than its factorization.

2256135390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356073 (or 8356067 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 2256135390 is about 47498.7935636264. The cubic root of 2256135390 is about 1311.5606732114.

The spelling of 2256135390 in words is "two billion, two hundred fifty-six million, one hundred thirty-five thousand, three hundred ninety".