136022731 has 8 divisors (see below), whose sum is σ = 151537680. Its totient is φ = 121229472.

The previous prime is 136022701. The next prime is 136022737. The reversal of 136022731 is 137220631.

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

It is not a de Polignac number, because 136022731 - 2¹³ = 136014539 is a prime.

It is a super-2 number, since 2×136022731² = 37004366697396722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136022696 and 136022705.

It is not an unprimeable number, because it can be changed into a prime (136022737) 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 7 ways as a sum of consecutive naturals, for example, 180025 + ... + 180778.

It is an arithmetic number, because the mean of its divisors is an integer number (18942210).

Almost surely, 2^136022731 is an apocalyptic number.

136022731 is a deficient number, since it is larger than the sum of its proper divisors (15514949).

136022731 is a wasteful number, since it uses less digits than its factorization.

136022731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360845.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 136022731 is about 11662.8783325558. The cubic root of 136022731 is about 514.2849674188.

The spelling of 136022731 in words is "one hundred thirty-six million, twenty-two thousand, seven hundred thirty-one".