240153138 has 24 divisors (see below), whose sum is σ = 520762476. Its totient is φ = 79984800.

The previous prime is 240153119. The next prime is 240153139. The reversal of 240153138 is 831351042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 202293729 + 37859409 = 14223^2 + 6153^2 .

It is not an unprimeable number, because it can be changed into a prime (240153139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20028 + ... + 29688.

Almost surely, 2^240153138 is an apocalyptic number.

240153138 is an abundant number, since it is smaller than the sum of its proper divisors (280609338).

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

240153138 is a wasteful number, since it uses less digits than its factorization.

240153138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050 (or 11047 counting only the distinct ones).

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

The square root of 240153138 is about 15496.8751043557. The cubic root of 240153138 is about 621.5786495800.

The spelling of 240153138 in words is "two hundred forty million, one hundred fifty-three thousand, one hundred thirty-eight".