140122402 has 16 divisors (see below), whose sum is σ = 242104320. Its totient is φ = 59578848.

The previous prime is 140122363. The next prime is 140122427. The reversal of 140122402 is 204221041.

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, 37627 + ... + 41182.

It is an arithmetic number, because the mean of its divisors is an integer number (15131520).

Almost surely, 2^140122402 is an apocalyptic number.

140122402 is a deficient number, since it is larger than the sum of its proper divisors (101981918).

140122402 is a wasteful number, since it uses less digits than its factorization.

140122402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78945.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 140122402 is about 11837.3308646840. The cubic root of 140122402 is about 519.4006926913.

Adding to 140122402 its reverse (204221041), we get a palindrome (344343443).

The spelling of 140122402 in words is "one hundred forty million, one hundred twenty-two thousand, four hundred two".