2256138152 has 16 divisors (see below), whose sum is σ = 4230762900. Its totient is φ = 1127934720.

The previous prime is 2256138151. The next prime is 2256138167. The reversal of 2256138152 is 2518316522.

It can be written as a sum of positive squares in 2 ways, for example, as 2219728996 + 36409156 = 47114^2 + 6034^2 .

It is not an unprimeable number, because it can be changed into a prime (2256138151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123974 + ... + 141002.

Almost surely, 2^2256138152 is an apocalyptic number.

It is an amenable number.

2256138152 is a deficient number, since it is larger than the sum of its proper divisors (1974624748).

2256138152 is a wasteful number, since it uses less digits than its factorization.

2256138152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33596 (or 33592 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 2256138152 is about 47498.8226380402. The cubic root of 2256138152 is about 1311.5612084229.

The spelling of 2256138152 in words is "two billion, two hundred fifty-six million, one hundred thirty-eight thousand, one hundred fifty-two".