136772745 has 8 divisors (see below), whose sum is σ = 218836416. Its totient is φ = 72945456.

The previous prime is 136772737. The next prime is 136772771. The reversal of 136772745 is 547277631.

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

It is not a de Polignac number, because 136772745 - 2³ = 136772737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136772697 and 136772706.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4559077 + ... + 4559106.

It is an arithmetic number, because the mean of its divisors is an integer number (27354552).

Almost surely, 2^136772745 is an apocalyptic number.

136772745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136772745 is a deficient number, since it is larger than the sum of its proper divisors (82063671).

136772745 is an equidigital number, since it uses as much as digits as its factorization.

136772745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9118191.

The product of its digits is 246960, while the sum is 42.

The square root of 136772745 is about 11694.9880290661. The cubic root of 136772745 is about 515.2284718510.

The spelling of 136772745 in words is "one hundred thirty-six million, seven hundred seventy-two thousand, seven hundred forty-five".