136290791 has 8 divisors (see below), whose sum is σ = 167742624. Its totient is φ = 107834400.

The previous prime is 136290761. The next prime is 136290793. The reversal of 136290791 is 197092631.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 136290791 - 2¹⁴ = 136274407 is a prime.

It is a super-2 number, since 2×136290791² = 37150359422811362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136290793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748760 + ... + 748941.

It is an arithmetic number, because the mean of its divisors is an integer number (20967828).

Almost surely, 2^136290791 is an apocalyptic number.

136290791 is a deficient number, since it is larger than the sum of its proper divisors (31451833).

136290791 is a wasteful number, since it uses less digits than its factorization.

136290791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497721.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 136290791 is about 11674.3646936354. The cubic root of 136290791 is about 514.6225795386.

The spelling of 136290791 in words is "one hundred thirty-six million, two hundred ninety thousand, seven hundred ninety-one".