136975733 has 4 divisors (see below), whose sum is σ = 137039628. Its totient is φ = 136911840.

The previous prime is 136975721. The next prime is 136975747. The reversal of 136975733 is 337579631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120516484 + 16459249 = 10978^2 + 4057^2 .

It is a cyclic number.

It is not a de Polignac number, because 136975733 - 2¹⁴ = 136959349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136975133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28616 + ... + 33057.

It is an arithmetic number, because the mean of its divisors is an integer number (34259907).

Almost surely, 2^136975733 is an apocalyptic number.

It is an amenable number.

136975733 is a deficient number, since it is larger than the sum of its proper divisors (63895).

136975733 is an equidigital number, since it uses as much as digits as its factorization.

136975733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63894.

The product of its digits is 357210, while the sum is 44.

The square root of 136975733 is about 11703.6632299464. The cubic root of 136975733 is about 515.4832338663.

The spelling of 136975733 in words is "one hundred thirty-six million, nine hundred seventy-five thousand, seven hundred thirty-three".