19113902 has 8 divisors (see below), whose sum is σ = 28690200. Its totient is φ = 9550504.

The previous prime is 19113893. The next prime is 19113911. The reversal of 19113902 is 20931191.

It is an interprime number because it is at equal distance from previous prime (19113893) and next prime (19113911).

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, 2549 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (3586275).

Almost surely, 2^19113902 is an apocalyptic number.

19113902 is a deficient number, since it is larger than the sum of its proper divisors (9576298).

19113902 is a wasteful number, since it uses less digits than its factorization.

19113902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 19113902 is about 4371.9448761392. The cubic root of 19113902 is about 267.3723244324.

The spelling of 19113902 in words is "nineteen million, one hundred thirteen thousand, nine hundred two".