135900190 has 8 divisors (see below), whose sum is σ = 244620360. Its totient is φ = 54360072.

The previous prime is 135900173. The next prime is 135900197. The reversal of 135900190 is 91009531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×135900190² = 36937723284072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135900197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6795000 + ... + 6795019.

It is an arithmetic number, because the mean of its divisors is an integer number (30577545).

Almost surely, 2^135900190 is an apocalyptic number.

135900190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135900190 is a deficient number, since it is larger than the sum of its proper divisors (108720170).

135900190 is a wasteful number, since it uses less digits than its factorization.

135900190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590026.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 135900190 is about 11657.6236858118. The cubic root of 135900190 is about 514.1304836103.

The spelling of 135900190 in words is "one hundred thirty-five million, nine hundred thousand, one hundred ninety".