140032400402 has 8 divisors (see below), whose sum is σ = 211702526976. Its totient is φ = 69464891412.

The previous prime is 140032400377. The next prime is 140032400411. The reversal of 140032400402 is 204004230041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275654078 + ... + 275654585.

It is an arithmetic number, because the mean of its divisors is an integer number (26462815872).

Almost surely, 2^140032400402 is an apocalyptic number.

140032400402 is a deficient number, since it is larger than the sum of its proper divisors (71670126574).

140032400402 is a wasteful number, since it uses less digits than its factorization.

140032400402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551308792.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 140032400402 its reverse (204004230041), we get a palindrome (344036630443).

The spelling of 140032400402 in words is "one hundred forty billion, thirty-two million, four hundred thousand, four hundred two".