2156234254 has 16 divisors (see below), whose sum is σ = 3296934576. Its totient is φ = 1057456000.

The previous prime is 2156234231. The next prime is 2156234299. The reversal of 2156234254 is 4524326512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28267 + ... + 71494.

It is an arithmetic number, because the mean of its divisors is an integer number (206058411).

Almost surely, 2^2156234254 is an apocalyptic number.

2156234254 is a deficient number, since it is larger than the sum of its proper divisors (1140700322).

2156234254 is a wasteful number, since it uses less digits than its factorization.

2156234254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99971.

The product of its digits is 57600, while the sum is 34.

The square root of 2156234254 is about 46435.2695049786. The cubic root of 2156234254 is about 1291.9091683565.

The spelling of 2156234254 in words is "two billion, one hundred fifty-six million, two hundred thirty-four thousand, two hundred fifty-four".