140135402 has 16 divisors (see below), whose sum is σ = 230472000. Its totient is φ = 63375840.

The previous prime is 140135377. The next prime is 140135419. The reversal of 140135402 is 204531041.

140135402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11627 + ... + 20382.

It is an arithmetic number, because the mean of its divisors is an integer number (14404500).

Almost surely, 2^140135402 is an apocalyptic number.

140135402 is a deficient number, since it is larger than the sum of its proper divisors (90336598).

140135402 is a wasteful number, since it uses less digits than its factorization.

140135402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32221.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 140135402 is about 11837.8799622230. The cubic root of 140135402 is about 519.4167548392.

Adding to 140135402 its reverse (204531041), we get a palindrome (344666443).

The spelling of 140135402 in words is "one hundred forty million, one hundred thirty-five thousand, four hundred two".