136683045 has 20 divisors (see below), whose sum is σ = 245017740. Its totient is φ = 72897408.

The previous prime is 136683037. The next prime is 136683049. The reversal of 136683045 is 540386631.

It can be written as a sum of positive squares in 2 ways, for example, as 102880449 + 33802596 = 10143^2 + 5814^2 .

It is not a de Polignac number, because 136683045 - 2³ = 136683037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136683049) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 168340 + ... + 169149.

It is an arithmetic number, because the mean of its divisors is an integer number (12250887).

Almost surely, 2^136683045 is an apocalyptic number.

136683045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136683045 is a deficient number, since it is larger than the sum of its proper divisors (108334695).

136683045 is an equidigital number, since it uses as much as digits as its factorization.

136683045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337506 (or 337497 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 136683045 is about 11691.1524239486. The cubic root of 136683045 is about 515.1158127075.

The spelling of 136683045 in words is "one hundred thirty-six million, six hundred eighty-three thousand, forty-five".