136984477 has 8 divisors (see below), whose sum is σ = 156624896. Its totient is φ = 117361872.

The previous prime is 136984469. The next prime is 136984493. The reversal of 136984477 is 774489631.

136984477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 136984477 - 2³ = 136984469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136984477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136984417) 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, 25303 + ... + 30235.

It is an arithmetic number, because the mean of its divisors is an integer number (19578112).

Almost surely, 2^136984477 is an apocalyptic number.

It is an amenable number.

136984477 is a deficient number, since it is larger than the sum of its proper divisors (19640419).

136984477 is an equidigital number, since it uses as much as digits as its factorization.

136984477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8907.

The product of its digits is 1016064, while the sum is 49.

The square root of 136984477 is about 11704.0367822389. The cubic root of 136984477 is about 515.4942024502.

The spelling of 136984477 in words is "one hundred thirty-six million, nine hundred eighty-four thousand, four hundred seventy-seven".