136930073 has 4 divisors (see below), whose sum is σ = 156491520. Its totient is φ = 117368628.

The previous prime is 136930061. The next prime is 136930097. The reversal of 136930073 is 370039631.

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.

It is a cyclic number.

It is not a de Polignac number, because 136930073 - 2⁶ = 136930009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136930033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9780713 + ... + 9780726.

It is an arithmetic number, because the mean of its divisors is an integer number (39122880).

Almost surely, 2^136930073 is an apocalyptic number.

It is an amenable number.

136930073 is a deficient number, since it is larger than the sum of its proper divisors (19561447).

136930073 is an equidigital number, since it uses as much as digits as its factorization.

136930073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19561446.

The product of its (nonzero) digits is 10206, while the sum is 32.

The square root of 136930073 is about 11701.7123960555. The cubic root of 136930073 is about 515.4259498016.

The spelling of 136930073 in words is "one hundred thirty-six million, nine hundred thirty thousand, seventy-three".