136777790 has 8 divisors (see below), whose sum is σ = 246200040. Its totient is φ = 54711112.

The previous prime is 136777787. The next prime is 136777811. The reversal of 136777790 is 97777631.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6838880 + ... + 6838899.

It is an arithmetic number, because the mean of its divisors is an integer number (30775005).

Almost surely, 2^136777790 is an apocalyptic number.

136777790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136777790 is a deficient number, since it is larger than the sum of its proper divisors (109422250).

136777790 is a wasteful number, since it uses less digits than its factorization.

136777790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13677786.

The product of its (nonzero) digits is 388962, while the sum is 47.

The square root of 136777790 is about 11695.2037177640. The cubic root of 136777790 is about 515.2348066796.

The spelling of 136777790 in words is "one hundred thirty-six million, seven hundred seventy-seven thousand, seven hundred ninety".