136801489 has 8 divisors (see below), whose sum is σ = 151283232. Its totient is φ = 122660640.

The previous prime is 136801477. The next prime is 136801517. The reversal of 136801489 is 984108631.

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 136801489 - 2⁹ = 136800977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136301489) 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, 84379 + ... + 85984.

It is an arithmetic number, because the mean of its divisors is an integer number (18910404).

Almost surely, 2^136801489 is an apocalyptic number.

It is an amenable number.

136801489 is a deficient number, since it is larger than the sum of its proper divisors (14481743).

136801489 is a wasteful number, since it uses less digits than its factorization.

136801489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170447.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 136801489 is about 11696.2168670045. The cubic root of 136801489 is about 515.2645625937.

The spelling of 136801489 in words is "one hundred thirty-six million, eight hundred one thousand, four hundred eighty-nine".