136550769 has 8 divisors (see below), whose sum is σ = 182315712. Its totient is φ = 90909840.

The previous prime is 136550767. The next prime is 136550773. The reversal of 136550769 is 967055631.

It is a happy number.

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

It is not a de Polignac number, because 136550769 - 2¹ = 136550767 is a prime.

It is a super-2 number, since 2×136550769² = 37292225028982722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 136550769.

It is not an unprimeable number, because it can be changed into a prime (136550767) 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, 28402 + ... + 32859.

It is an arithmetic number, because the mean of its divisors is an integer number (22789464).

Almost surely, 2^136550769 is an apocalyptic number.

It is an amenable number.

136550769 is a deficient number, since it is larger than the sum of its proper divisors (45764943).

136550769 is an equidigital number, since it uses as much as digits as its factorization.

136550769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62007.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 136550769 is about 11685.4939561835. The cubic root of 136550769 is about 514.9495900638.

The spelling of 136550769 in words is "one hundred thirty-six million, five hundred fifty thousand, seven hundred sixty-nine".