140606535402 has 48 divisors (see below), whose sum is σ = 310545275040. Its totient is φ = 45967607136.

The previous prime is 140606535397. The next prime is 140606535437. The reversal of 140606535402 is 204535606041.

140606535402 is a `hidden beast` number, since 1 + 4 + 0 + 60 + 6 + 53 + 540 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21613 + ... + 530735.

It is an arithmetic number, because the mean of its divisors is an integer number (6469693230).

Almost surely, 2^140606535402 is an apocalyptic number.

140606535402 is an abundant number, since it is smaller than the sum of its proper divisors (169938739638).

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

140606535402 is a wasteful number, since it uses less digits than its factorization.

140606535402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509427 (or 509424 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 140606535402 in words is "one hundred forty billion, six hundred six million, five hundred thirty-five thousand, four hundred two".