135790899 has 8 divisors (see below), whose sum is σ = 182165952. Its totient is φ = 89971560.

The previous prime is 135790871. The next prime is 135790901. The reversal of 135790899 is 998097531.

It is a happy number.

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

It is not a de Polignac number, because 135790899 - 2⁵ = 135790867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135790829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138357 + ... + 139334.

It is an arithmetic number, because the mean of its divisors is an integer number (22770744).

Almost surely, 2^135790899 is an apocalyptic number.

135790899 is a deficient number, since it is larger than the sum of its proper divisors (46375053).

135790899 is a wasteful number, since it uses less digits than its factorization.

135790899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277857.

The product of its (nonzero) digits is 612360, while the sum is 51.

The square root of 135790899 is about 11652.9352096371. The cubic root of 135790899 is about 513.9926253187.

The spelling of 135790899 in words is "one hundred thirty-five million, seven hundred ninety thousand, eight hundred ninety-nine".