136028731 has 2 divisors, whose sum is σ = 136028732. Its totient is φ = 136028730.

The previous prime is 136028699. The next prime is 136028741. The reversal of 136028731 is 137820631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136028731 - 2⁵ = 136028699 is a prime.

It is a super-2 number, since 2×136028731² = 37007631314940722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136028693 and 136028702.

It is not a weakly prime, because it can be changed into another prime (136028741) 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 as a sum of consecutive naturals, namely, 68014365 + 68014366.

It is an arithmetic number, because the mean of its divisors is an integer number (68014366).

Almost surely, 2^136028731 is an apocalyptic number.

136028731 is a deficient number, since it is larger than the sum of its proper divisors (1).

136028731 is an equidigital number, since it uses as much as digits as its factorization.

136028731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 136028731 is about 11663.1355561015. The cubic root of 136028731 is about 514.2925290580.

The spelling of 136028731 in words is "one hundred thirty-six million, twenty-eight thousand, seven hundred thirty-one".