136713949 has 12 divisors (see below), whose sum is σ = 152782524. Its totient is φ = 121894272.

The previous prime is 136713943. The next prime is 136713953. The reversal of 136713949 is 949317631.

It can be written as a sum of positive squares in 2 ways, for example, as 110397049 + 26316900 = 10507^2 + 5130^2 .

It is not a de Polignac number, because 136713949 - 2¹⁹ = 136189661 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 (136713943) 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 11 ways as a sum of consecutive naturals, for example, 5002 + ... + 17275.

It is an arithmetic number, because the mean of its divisors is an integer number (12731877).

Almost surely, 2^136713949 is an apocalyptic number.

136713949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136713949 is a deficient number, since it is larger than the sum of its proper divisors (16068575).

136713949 is a wasteful number, since it uses less digits than its factorization.

136713949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22332 (or 22313 counting only the distinct ones).

The product of its digits is 122472, while the sum is 43.

The square root of 136713949 is about 11692.4740324706. The cubic root of 136713949 is about 515.1546322978.

The spelling of 136713949 in words is "one hundred thirty-six million, seven hundred thirteen thousand, nine hundred forty-nine".