136929194 has 4 divisors (see below), whose sum is σ = 205393794. Its totient is φ = 68464596.

The previous prime is 136929151. The next prime is 136929197. The reversal of 136929194 is 491929631.

It is a happy number.

136929194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 86731969 + 50197225 = 9313^2 + 7085^2 .

It is not an unprimeable number, because it can be changed into a prime (136929197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34232297 + ... + 34232300.

Almost surely, 2^136929194 is an apocalyptic number.

136929194 is a deficient number, since it is larger than the sum of its proper divisors (68464600).

136929194 is an equidigital number, since it uses as much as digits as its factorization.

136929194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68464599.

The product of its digits is 104976, while the sum is 44.

The square root of 136929194 is about 11701.6748373897. The cubic root of 136929194 is about 515.4248469020.

The spelling of 136929194 in words is "one hundred thirty-six million, nine hundred twenty-nine thousand, one hundred ninety-four".