136212477 has 16 divisors (see below), whose sum is σ = 183277248. Its totient is φ = 89982720.

The previous prime is 136212473. The next prime is 136212493. The reversal of 136212477 is 774212631.

It is not a de Polignac number, because 136212477 - 2² = 136212473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136212473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211518 + ... + 212160.

It is an arithmetic number, because the mean of its divisors is an integer number (11454828).

Almost surely, 2^136212477 is an apocalyptic number.

It is an amenable number.

136212477 is a deficient number, since it is larger than the sum of its proper divisors (47064771).

136212477 is a wasteful number, since it uses less digits than its factorization.

136212477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180.

The product of its digits is 14112, while the sum is 33.

The square root of 136212477 is about 11671.0101105260. The cubic root of 136212477 is about 514.5239916242.

The spelling of 136212477 in words is "one hundred thirty-six million, two hundred twelve thousand, four hundred seventy-seven".