253418137 has 8 divisors (see below), whose sum is σ = 289901696. Its totient is φ = 217004832.

The previous prime is 253418131. The next prime is 253418141. The reversal of 253418137 is 731814352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253418137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253418131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9588 + ... + 24469.

It is an arithmetic number, because the mean of its divisors is an integer number (36237712).

Almost surely, 2^253418137 is an apocalyptic number.

It is an amenable number.

253418137 is a deficient number, since it is larger than the sum of its proper divisors (36483559).

253418137 is a wasteful number, since it uses less digits than its factorization.

253418137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35127.

The product of its digits is 20160, while the sum is 34.

The square root of 253418137 is about 15919.1123182167. The cubic root of 253418137 is about 632.8185937333.

The spelling of 253418137 in words is "two hundred fifty-three million, four hundred eighteen thousand, one hundred thirty-seven".