135896190 has 64 divisors (see below), whose sum is σ = 349595136. Its totient is φ = 33720192.

The previous prime is 135896183. The next prime is 135896221. The reversal of 135896190 is 91698531.

135896190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135896190² = 36935548913032200, 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 31 ways as a sum of consecutive naturals, for example, 22869 + ... + 28191.

It is an arithmetic number, because the mean of its divisors is an integer number (5462424).

Almost surely, 2^135896190 is an apocalyptic number.

135896190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135896190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174797568).

135896190 is an abundant number, since it is smaller than the sum of its proper divisors (213698946).

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

135896190 is a wasteful number, since it uses less digits than its factorization.

135896190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 135896190 is about 11657.4521229984. The cubic root of 135896190 is about 514.1254393640.

The spelling of 135896190 in words is "one hundred thirty-five million, eight hundred ninety-six thousand, one hundred ninety".