190898136 has 96 divisors (see below), whose sum is σ = 607435920. Its totient is φ = 53395200.

The previous prime is 190898107. The next prime is 190898153. The reversal of 190898136 is 631898091.

It is a junction number, because it is equal to n+sod(n) for n = 190898091 and 190898100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1026 + ... + 19566.

Almost surely, 2^190898136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190898136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303717960).

190898136 is an abundant number, since it is smaller than the sum of its proper divisors (416537784).

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

190898136 is a wasteful number, since it uses less digits than its factorization.

190898136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18577 (or 18570 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 190898136 is about 13816.5891594127. The cubic root of 190898136 is about 575.7941249199.

Subtracting from 190898136 its sum of digits (45), we obtain a palindrome (190898091).

It can be divided in two parts, 19089 and 8136, that added together give a square (27225 = 165²).

The spelling of 190898136 in words is "one hundred ninety million, eight hundred ninety-eight thousand, one hundred thirty-six".