990141902 has 8 divisors (see below), whose sum is σ = 1485349896. Its totient is φ = 495025272.

The previous prime is 990141869. The next prime is 990141913. The reversal of 990141902 is 209141099.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21368 + ... + 49364.

It is an arithmetic number, because the mean of its divisors is an integer number (185668737).

Almost surely, 2^990141902 is an apocalyptic number.

990141902 is a deficient number, since it is larger than the sum of its proper divisors (495207994).

990141902 is a wasteful number, since it uses less digits than its factorization.

990141902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45682.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 990141902 is about 31466.5203351117. The cubic root of 990141902 is about 996.7031097935.

The spelling of 990141902 in words is "nine hundred ninety million, one hundred forty-one thousand, nine hundred two".