136861235 has 16 divisors (see below), whose sum is σ = 190500096. Its totient is φ = 92445408.

The previous prime is 136861213. The next prime is 136861253. The reversal of 136861235 is 532168631.

It is a cyclic number.

It is not a de Polignac number, because 136861235 - 2⁸ = 136860979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136861195 and 136861204.

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 15 ways as a sum of consecutive naturals, for example, 26837 + ... + 31526.

It is an arithmetic number, because the mean of its divisors is an integer number (11906256).

Almost surely, 2^136861235 is an apocalyptic number.

136861235 is a deficient number, since it is larger than the sum of its proper divisors (53638861).

136861235 is an equidigital number, since it uses as much as digits as its factorization.

136861235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58442.

The product of its digits is 25920, while the sum is 35.

The square root of 136861235 is about 11698.7706619114. The cubic root of 136861235 is about 515.3395630347.

The spelling of 136861235 in words is "one hundred thirty-six million, eight hundred sixty-one thousand, two hundred thirty-five".