136877061 has 4 divisors (see below), whose sum is σ = 182502752. Its totient is φ = 91251372.

The previous prime is 136877033. The next prime is 136877089. The reversal of 136877061 is 160778631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (136877033) and next prime (136877089).

It is not a de Polignac number, because 136877061 - 2⁵ = 136877029 is a prime.

It is a super-4 number, since 4×136877061⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136877011) 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, 22812841 + ... + 22812846.

It is an arithmetic number, because the mean of its divisors is an integer number (45625688).

Almost surely, 2^136877061 is an apocalyptic number.

It is an amenable number.

136877061 is a deficient number, since it is larger than the sum of its proper divisors (45625691).

136877061 is an equidigital number, since it uses as much as digits as its factorization.

136877061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45625690.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 136877061 is about 11699.4470382151. The cubic root of 136877061 is about 515.3594260967.

The spelling of 136877061 in words is "one hundred thirty-six million, eight hundred seventy-seven thousand, sixty-one".