102890511342 has 12 divisors (see below), whose sum is σ = 222929441280. Its totient is φ = 34296837108.

The previous prime is 102890511341. The next prime is 102890511371. The reversal of 102890511342 is 243115098201.

102890511342 is a `hidden beast` number, since 1 + 0 + 28 + 90 + 511 + 34 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 102890511297 and 102890511306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102890511341) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2858069742 + ... + 2858069777.

It is an arithmetic number, because the mean of its divisors is an integer number (18577453440).

Almost surely, 2^102890511342 is an apocalyptic number.

102890511342 is an abundant number, since it is smaller than the sum of its proper divisors (120038929938).

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

102890511342 is a wasteful number, since it uses less digits than its factorization.

102890511342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716139527 (or 5716139524 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 102890511342 in words is "one hundred two billion, eight hundred ninety million, five hundred eleven thousand, three hundred forty-two".