140402454302 has 32 divisors (see below), whose sum is σ = 243840326400. Its totient is φ = 60460365240.

The previous prime is 140402454301. The next prime is 140402454323. The reversal of 140402454302 is 203454204041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140402454301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337402 + ... + 1438557.

It is an arithmetic number, because the mean of its divisors is an integer number (7620010200).

Almost surely, 2^140402454302 is an apocalyptic number.

140402454302 is a deficient number, since it is larger than the sum of its proper divisors (103437872098).

140402454302 is a wasteful number, since it uses less digits than its factorization.

140402454302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776013 (or 2775991 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 140402454302 its reverse (203454204041), we get a palindrome (343856658343).

The spelling of 140402454302 in words is "one hundred forty billion, four hundred two million, four hundred fifty-four thousand, three hundred two".