136019947 has 8 divisors (see below), whose sum is σ = 160812000. Its totient is φ = 112568064.

The previous prime is 136019929. The next prime is 136019963. The reversal of 136019947 is 749910631.

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

It is not a de Polignac number, because 136019947 - 2²⁷ = 1802219 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (136019977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334822 + ... + 335227.

It is an arithmetic number, because the mean of its divisors is an integer number (20101500).

Almost surely, 2^136019947 is an apocalyptic number.

136019947 is a deficient number, since it is larger than the sum of its proper divisors (24792053).

136019947 is an equidigital number, since it uses as much as digits as its factorization.

136019947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670085.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 136019947 is about 11662.7589789037. The cubic root of 136019947 is about 514.2814587427.

The spelling of 136019947 in words is "one hundred thirty-six million, nineteen thousand, nine hundred forty-seven".