136294487819 has 8 divisors (see below), whose sum is σ = 155785855968. Its totient is φ = 116808301440.

The previous prime is 136294487789. The next prime is 136294487837. The reversal of 136294487819 is 918784492631.

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

It is a cyclic number.

It is not a de Polignac number, because 136294487819 - 2¹² = 136294483723 is a prime.

It is a super-2 number, since 2×136294487819² (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 (136294477819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238912 + ... + 1344429.

It is an arithmetic number, because the mean of its divisors is an integer number (19473231996).

Almost surely, 2^136294487819 is an apocalyptic number.

136294487819 is a deficient number, since it is larger than the sum of its proper divisors (19491368149).

136294487819 is an equidigital number, since it uses as much as digits as its factorization.

136294487819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2590885.

The product of its digits is 20901888, while the sum is 62.

The spelling of 136294487819 in words is "one hundred thirty-six billion, two hundred ninety-four million, four hundred eighty-seven thousand, eight hundred nineteen".