136495990778 has 8 divisors (see below), whose sum is σ = 233993127072. Its totient is φ = 58498281756.

The previous prime is 136495990733. The next prime is 136495990879. The reversal of 136495990778 is 877099594631.

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

It is a super-2 number, since 2×136495990778² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4874856800 + ... + 4874856827.

It is an arithmetic number, because the mean of its divisors is an integer number (29249140884).

Almost surely, 2^136495990778 is an apocalyptic number.

136495990778 is a deficient number, since it is larger than the sum of its proper divisors (97497136294).

136495990778 is an equidigital number, since it uses as much as digits as its factorization.

136495990778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749713636.

The product of its (nonzero) digits is 102876480, while the sum is 68.

The spelling of 136495990778 in words is "one hundred thirty-six billion, four hundred ninety-five million, nine hundred ninety thousand, seven hundred seventy-eight".