136382217619 has 4 divisors (see below), whose sum is σ = 136444809160. Its totient is φ = 136319626080.

The previous prime is 136382217589. The next prime is 136382217659. The reversal of 136382217619 is 916712283631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136382217619 is a prime.

It is a super-2 number, since 2×136382217619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136382217659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31292502 + ... + 31296859.

It is an arithmetic number, because the mean of its divisors is an integer number (34111202290).

Almost surely, 2^136382217619 is an apocalyptic number.

136382217619 is a deficient number, since it is larger than the sum of its proper divisors (62591541).

136382217619 is an equidigital number, since it uses as much as digits as its factorization.

136382217619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62591540.

The product of its digits is 653184, while the sum is 49.

The spelling of 136382217619 in words is "one hundred thirty-six billion, three hundred eighty-two million, two hundred seventeen thousand, six hundred nineteen".