140415402 has 16 divisors (see below), whose sum is σ = 280960992. Its totient is φ = 46783440.

The previous prime is 140415397. The next prime is 140415403. The reversal of 140415402 is 204514041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140415403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13888 + ... + 21764.

It is an arithmetic number, because the mean of its divisors is an integer number (17560062).

Almost surely, 2^140415402 is an apocalyptic number.

140415402 is an abundant number, since it is smaller than the sum of its proper divisors (140545590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140415402 is a wasteful number, since it uses less digits than its factorization.

140415402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 140415402 is about 11849.7005025444. The cubic root of 140415402 is about 519.7624679437.

Adding to 140415402 its reverse (204514041), we get a palindrome (344929443).

The spelling of 140415402 in words is "one hundred forty million, four hundred fifteen thousand, four hundred two".