136405922 has 8 divisors (see below), whose sum is σ = 204659136. Its totient is φ = 68186212.

The previous prime is 136405877. The next prime is 136405931. The reversal of 136405922 is 229504631.

It is a happy number.

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, 9083 + ... + 18849.

It is an arithmetic number, because the mean of its divisors is an integer number (25582392).

Almost surely, 2^136405922 is an apocalyptic number.

136405922 is a deficient number, since it is larger than the sum of its proper divisors (68253214).

136405922 is an equidigital number, since it uses as much as digits as its factorization.

136405922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16752.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 136405922 is about 11679.2945848626. The cubic root of 136405922 is about 514.7674470829.

The spelling of 136405922 in words is "one hundred thirty-six million, four hundred five thousand, nine hundred twenty-two".