136191498 has 32 divisors (see below), whose sum is σ = 275841024. Its totient is φ = 44824752.

The previous prime is 136191493. The next prime is 136191541. The reversal of 136191498 is 894191631.

It is not an unprimeable number, because it can be changed into a prime (136191491) 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 15 ways as a sum of consecutive naturals, for example, 279411 + ... + 279897.

It is an arithmetic number, because the mean of its divisors is an integer number (8620032).

Almost surely, 2^136191498 is an apocalyptic number.

136191498 is an abundant number, since it is smaller than the sum of its proper divisors (139649526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136191498 is a wasteful number, since it uses less digits than its factorization.

136191498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its digits is 46656, while the sum is 42.

The square root of 136191498 is about 11670.1113105231. Note that the first 3 decimals coincide. The cubic root of 136191498 is about 514.4975751675.

The spelling of 136191498 in words is "one hundred thirty-six million, one hundred ninety-one thousand, four hundred ninety-eight".