136772753 has 4 divisors (see below), whose sum is σ = 147293748. Its totient is φ = 126251760.

The previous prime is 136772737. The next prime is 136772771. The reversal of 136772753 is 357277631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89548369 + 47224384 = 9463^2 + 6872^2 .

It is a cyclic number.

It is not a de Polignac number, because 136772753 - 2⁴ = 136772737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136772753.

It is not an unprimeable number, because it can be changed into a prime (136772353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5260478 + ... + 5260503.

It is an arithmetic number, because the mean of its divisors is an integer number (36823437).

Almost surely, 2^136772753 is an apocalyptic number.

136772753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136772753 is a deficient number, since it is larger than the sum of its proper divisors (10520995).

136772753 is a wasteful number, since it uses less digits than its factorization.

136772753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520994.

The product of its digits is 185220, while the sum is 41.

The square root of 136772753 is about 11694.9883710930. The cubic root of 136772753 is about 515.2284818964.

The spelling of 136772753 in words is "one hundred thirty-six million, seven hundred seventy-two thousand, seven hundred fifty-three".