14155521402 has 16 divisors (see below), whose sum is σ = 30884774112. Its totient is φ = 4289551920.

The previous prime is 14155521389. The next prime is 14155521407. The reversal of 14155521402 is 20412555141.

It is a self number, because there is not a number n which added to its sum of digits gives 14155521402.

It is not an unprimeable number, because it can be changed into a prime (14155521407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107238733 + ... + 107238864.

It is an arithmetic number, because the mean of its divisors is an integer number (1930298382).

Almost surely, 2^14155521402 is an apocalyptic number.

14155521402 is an abundant number, since it is smaller than the sum of its proper divisors (16729252710).

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

14155521402 is a wasteful number, since it uses less digits than its factorization.

14155521402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214477613.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 14155521402 in words is "fourteen billion, one hundred fifty-five million, five hundred twenty-one thousand, four hundred two".