191152902 has 16 divisors (see below), whose sum is σ = 383515632. Its totient is φ = 63516000.

The previous prime is 191152889. The next prime is 191152921. The reversal of 191152902 is 209251191.

It is a self number, because there is not a number n which added to its sum of digits gives 191152902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48349 + ... + 52152.

It is an arithmetic number, because the mean of its divisors is an integer number (23969727).

Almost surely, 2^191152902 is an apocalyptic number.

191152902 is an abundant number, since it is smaller than the sum of its proper divisors (192362730).

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

191152902 is a wasteful number, since it uses less digits than its factorization.

191152902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100823.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 191152902 is about 13825.8056546445. The cubic root of 191152902 is about 576.0501559816.

It can be divided in two parts, 19 and 1152902, that added together give a triangular number (1152921 = T₁₅₁₈).

The spelling of 191152902 in words is "one hundred ninety-one million, one hundred fifty-two thousand, nine hundred two".