136702541 has 4 divisors (see below), whose sum is σ = 137912412. Its totient is φ = 135492672.

The previous prime is 136702537. The next prime is 136702543. The reversal of 136702541 is 145207631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145207631 = 3691 ⋅39341.

It can be written as a sum of positive squares in 2 ways, for example, as 27604516 + 109098025 = 5254^2 + 10445^2 .

It is a cyclic number.

It is not a de Polignac number, because 136702541 - 2² = 136702537 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 (136702543) 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 3 ways as a sum of consecutive naturals, for example, 604766 + ... + 604991.

It is an arithmetic number, because the mean of its divisors is an integer number (34478103).

Almost surely, 2^136702541 is an apocalyptic number.

It is an amenable number.

136702541 is a deficient number, since it is larger than the sum of its proper divisors (1209871).

136702541 is a wasteful number, since it uses less digits than its factorization.

136702541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209870.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 136702541 is about 11691.9861871283. The cubic root of 136702541 is about 515.1403029931.

The spelling of 136702541 in words is "one hundred thirty-six million, seven hundred two thousand, five hundred forty-one".