136968722 has 8 divisors (see below), whose sum is σ = 224130672. Its totient is φ = 62258500.

The previous prime is 136968691. The next prime is 136968731. The reversal of 136968722 is 227869631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3112904 + ... + 3112947.

It is an arithmetic number, because the mean of its divisors is an integer number (28016334).

Almost surely, 2^136968722 is an apocalyptic number.

136968722 is a deficient number, since it is larger than the sum of its proper divisors (87161950).

136968722 is a wasteful number, since it uses less digits than its factorization.

136968722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225864.

The product of its digits is 217728, while the sum is 44.

The square root of 136968722 is about 11703.3637045082. The cubic root of 136968722 is about 515.4744388422.

Subtracting 136968722 from its reverse (227869631), we obtain a palindrome (90900909).

The spelling of 136968722 in words is "one hundred thirty-six million, nine hundred sixty-eight thousand, seven hundred twenty-two".