253501138 has 8 divisors (see below), whose sum is σ = 414820080. Its totient is φ = 115227780.

The previous prime is 253501123. The next prime is 253501139. The reversal of 253501138 is 831105352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (253501139) 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, 5761368 + ... + 5761411.

It is an arithmetic number, because the mean of its divisors is an integer number (51852510).

Almost surely, 2^253501138 is an apocalyptic number.

253501138 is a deficient number, since it is larger than the sum of its proper divisors (161318942).

253501138 is a wasteful number, since it uses less digits than its factorization.

253501138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522792.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 253501138 is about 15921.7190654778. The cubic root of 253501138 is about 632.8876743490.

The spelling of 253501138 in words is "two hundred fifty-three million, five hundred one thousand, one hundred thirty-eight".