140365242 has 12 divisors (see below), whose sum is σ = 304124730. Its totient is φ = 46788408.

The previous prime is 140365237. The next prime is 140365273. The reversal of 140365242 is 242563041.

140365242 is a `hidden beast` number, since 1 + 4 + 0 + 3 + 652 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 127035441 + 13329801 = 11271^2 + 3651^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3899017 + ... + 3899052.

Almost surely, 2^140365242 is an apocalyptic number.

140365242 is an abundant number, since it is smaller than the sum of its proper divisors (163759488).

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

140365242 is a wasteful number, since it uses less digits than its factorization.

140365242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7798077 (or 7798074 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 140365242 is about 11847.5838043037. The cubic root of 140365242 is about 519.7005697234.

The spelling of 140365242 in words is "one hundred forty million, three hundred sixty-five thousand, two hundred forty-two".