135402190 has 48 divisors (see below), whose sum is σ = 309302064. Its totient is φ = 42201600.

The previous prime is 135402181. The next prime is 135402191. The reversal of 135402190 is 91204531.

135402190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×135402190² = 36667506113592200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135402191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7171 + ... + 17950.

It is an arithmetic number, because the mean of its divisors is an integer number (6443793).

Almost surely, 2^135402190 is an apocalyptic number.

135402190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135402190 is an abundant number, since it is smaller than the sum of its proper divisors (173899874).

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

135402190 is a wasteful number, since it uses less digits than its factorization.

135402190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25153 (or 25146 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 135402190 is about 11636.2446691362. The cubic root of 135402190 is about 513.5017124405.

The spelling of 135402190 in words is "one hundred thirty-five million, four hundred two thousand, one hundred ninety".