253142132722 has 4 divisors (see below), whose sum is σ = 379713199086. Its totient is φ = 126571066360.

The previous prime is 253142132689. The next prime is 253142132741. The reversal of 253142132722 is 227231241352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 240816914361 + 12325218361 = 490731^2 + 111019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63285533179 + ... + 63285533182.

Almost surely, 2^253142132722 is an apocalyptic number.

253142132722 is a deficient number, since it is larger than the sum of its proper divisors (126571066364).

253142132722 is a wasteful number, since it uses less digits than its factorization.

253142132722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126571066363.

The product of its digits is 40320, while the sum is 34.

The spelling of 253142132722 in words is "two hundred fifty-three billion, one hundred forty-two million, one hundred thirty-two thousand, seven hundred twenty-two".