136091157 has 8 divisors (see below), whose sum is σ = 181550400. Its totient is φ = 90679680.

The previous prime is 136091107. The next prime is 136091159. The reversal of 136091157 is 751190631.

It is a happy number.

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

It is not a de Polignac number, because 136091157 - 2⁶ = 136091093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136091159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4657 + ... + 17142.

It is an arithmetic number, because the mean of its divisors is an integer number (22693800).

Almost surely, 2^136091157 is an apocalyptic number.

It is an amenable number.

136091157 is a deficient number, since it is larger than the sum of its proper divisors (45459243).

136091157 is a wasteful number, since it uses less digits than its factorization.

136091157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23883.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 136091157 is about 11665.8114591313. The cubic root of 136091157 is about 514.3711896841.

The spelling of 136091157 in words is "one hundred thirty-six million, ninety-one thousand, one hundred fifty-seven".