253041138 has 64 divisors (see below), whose sum is σ = 656363520. Its totient is φ = 70754256.

The previous prime is 253041079. The next prime is 253041163. The reversal of 253041138 is 831140352.

It is a happy number.

253041138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10645 + ... + 24887.

It is an arithmetic number, because the mean of its divisors is an integer number (10255680).

Almost surely, 2^253041138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253041138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328181760).

253041138 is an abundant number, since it is smaller than the sum of its proper divisors (403322382).

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

253041138 is a wasteful number, since it uses less digits than its factorization.

253041138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14308 (or 14302 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 253041138 is about 15907.2668299743. The cubic root of 253041138 is about 632.5046325438.

The spelling of 253041138 in words is "two hundred fifty-three million, forty-one thousand, one hundred thirty-eight".