136706463 has 12 divisors (see below), whose sum is σ = 207858040. Its totient is φ = 86340816.

The previous prime is 136706431. The next prime is 136706467. The reversal of 136706463 is 364607631.

It is a happy number.

136706463 is a `hidden beast` number, since 1 + 3 + 6 + 7 + 0 + 646 + 3 = 666.

It is not a de Polignac number, because 136706463 - 2⁵ = 136706431 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 (136706467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399556 + ... + 399897.

Almost surely, 2^136706463 is an apocalyptic number.

136706463 is a deficient number, since it is larger than the sum of its proper divisors (71151577).

136706463 is a wasteful number, since it uses less digits than its factorization.

136706463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799478 (or 799475 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 136706463 is about 11692.1539076425. The cubic root of 136706463 is about 515.1452294095.

The spelling of 136706463 in words is "one hundred thirty-six million, seven hundred six thousand, four hundred sixty-three".