902107942 has 16 divisors (see below), whose sum is σ = 1386412992. Its totient is φ = 440032320.

The previous prime is 902107937. The next prime is 902107957. The reversal of 902107942 is 249701209.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 902107898 and 902107907.

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, 14092 + ... + 44752.

It is an arithmetic number, because the mean of its divisors is an integer number (86650812).

Almost surely, 2^902107942 is an apocalyptic number.

902107942 is a deficient number, since it is larger than the sum of its proper divisors (484305050).

902107942 is a wasteful number, since it uses less digits than its factorization.

902107942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31023.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 902107942 is about 30035.1118193357. Note that the first 3 decimals coincide. The cubic root of 902107942 is about 966.2425730398.

The spelling of 902107942 in words is "nine hundred two million, one hundred seven thousand, nine hundred forty-two".