191402002 has 16 divisors (see below), whose sum is σ = 313502400. Its totient is φ = 86917840.

The previous prime is 191401961. The next prime is 191402023. The reversal of 191402002 is 200204191.

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, 23499 + ... + 30577.

It is an arithmetic number, because the mean of its divisors is an integer number (19593900).

Almost surely, 2^191402002 is an apocalyptic number.

191402002 is a deficient number, since it is larger than the sum of its proper divisors (122100398).

191402002 is a wasteful number, since it uses less digits than its factorization.

191402002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 191402002 is about 13834.8112383220. The cubic root of 191402002 is about 576.3002730454.

Adding to 191402002 its reverse (200204191), we get a palindrome (391606193).

The spelling of 191402002 in words is "one hundred ninety-one million, four hundred two thousand, two".