136353889 has 8 divisors (see below), whose sum is σ = 164999808. Its totient is φ = 109999680.

The previous prime is 136353887. The next prime is 136353947. The reversal of 136353889 is 988353631.

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

It is not a de Polignac number, because 136353889 - 2¹ = 136353887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136353883) 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, 572797 + ... + 573034.

It is an arithmetic number, because the mean of its divisors is an integer number (20624976).

Almost surely, 2^136353889 is an apocalyptic number.

It is an amenable number.

136353889 is a deficient number, since it is larger than the sum of its proper divisors (28645919).

136353889 is a wasteful number, since it uses less digits than its factorization.

136353889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145855.

The product of its digits is 466560, while the sum is 46.

The square root of 136353889 is about 11677.0667977879. The cubic root of 136353889 is about 514.7019848686.

It can be divided in two parts, 136 and 353889, that added together give a square (354025 = 595²).

The spelling of 136353889 in words is "one hundred thirty-six million, three hundred fifty-three thousand, eight hundred eighty-nine".