136377287 has 8 divisors (see below), whose sum is σ = 137712000. Its totient is φ = 135049464.

The previous prime is 136377271. The next prime is 136377289. The reversal of 136377287 is 782773631.

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 136377287 - 2⁴ = 136377271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136377289) 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, 43664 + ... + 46682.

It is an arithmetic number, because the mean of its divisors is an integer number (17214000).

Almost surely, 2^136377287 is an apocalyptic number.

136377287 is a deficient number, since it is larger than the sum of its proper divisors (1334713).

136377287 is a wasteful number, since it uses less digits than its factorization.

136377287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its digits is 296352, while the sum is 44.

The square root of 136377287 is about 11678.0686331259. The cubic root of 136377287 is about 514.7314237265.

The spelling of 136377287 in words is "one hundred thirty-six million, three hundred seventy-seven thousand, two hundred eighty-seven".