140401312402 has 32 divisors (see below), whose sum is σ = 243818668800. Its totient is φ = 60083866368.

The previous prime is 140401312397. The next prime is 140401312409. The reversal of 140401312402 is 204213104041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140401312409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3000327 + ... + 3046762.

It is an arithmetic number, because the mean of its divisors is an integer number (7619333400).

Almost surely, 2^140401312402 is an apocalyptic number.

140401312402 is a deficient number, since it is larger than the sum of its proper divisors (103417356398).

140401312402 is a wasteful number, since it uses less digits than its factorization.

140401312402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6047170.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 140401312402 its reverse (204213104041), we get a palindrome (344614416443).

The spelling of 140401312402 in words is "one hundred forty billion, four hundred one million, three hundred twelve thousand, four hundred two".