136708953 has 4 divisors (see below), whose sum is σ = 182278608. Its totient is φ = 91139300.

The previous prime is 136708939. The next prime is 136708967. The reversal of 136708953 is 359807631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359807631 = 3 ⋅119935877.

It is an interprime number because it is at equal distance from previous prime (136708939) and next prime (136708967).

It is a cyclic number.

It is not a de Polignac number, because 136708953 - 2⁵ = 136708921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136708973) 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, 22784823 + ... + 22784828.

It is an arithmetic number, because the mean of its divisors is an integer number (45569652).

Almost surely, 2^136708953 is an apocalyptic number.

It is an amenable number.

136708953 is a deficient number, since it is larger than the sum of its proper divisors (45569655).

136708953 is an equidigital number, since it uses as much as digits as its factorization.

136708953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45569654.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 136708953 is about 11692.2603888213. The cubic root of 136708953 is about 515.1483570447.

The spelling of 136708953 in words is "one hundred thirty-six million, seven hundred eight thousand, nine hundred fifty-three".