190102864 has 20 divisors (see below), whose sum is σ = 420942304. Its totient is φ = 81472608.

The previous prime is 190102849. The next prime is 190102879. The reversal of 190102864 is 468201091.

It is a happy number.

190102864 is nontrivially palindromic in base 13.

190102864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (190102849) and next prime (190102879).

It is a super-2 number, since 2×190102864² = 72278197802004992, which contains 22 as substring.

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, 848562 + ... + 848785.

Almost surely, 2^190102864 is an apocalyptic number.

190102864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

190102864 is an abundant number, since it is smaller than the sum of its proper divisors (230839440).

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

190102864 is a wasteful number, since it uses less digits than its factorization.

190102864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697362 (or 1697356 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 190102864 is about 13787.7795166589. The cubic root of 190102864 is about 574.9934355898.

The spelling of 190102864 in words is "one hundred ninety million, one hundred two thousand, eight hundred sixty-four".