136433469 has 4 divisors (see below), whose sum is σ = 181911296. Its totient is φ = 90955644.

The previous prime is 136433461. The next prime is 136433477. The reversal of 136433469 is 964334631.

136433469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (136433461) and next prime (136433477).

It is not a de Polignac number, because 136433469 - 2³ = 136433461 is a prime.

It is a super-2 number, since 2×136433469² = 37228182926747922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136433461) 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, 22738909 + ... + 22738914.

It is an arithmetic number, because the mean of its divisors is an integer number (45477824).

Almost surely, 2^136433469 is an apocalyptic number.

It is an amenable number.

136433469 is a deficient number, since it is larger than the sum of its proper divisors (45477827).

136433469 is an equidigital number, since it uses as much as digits as its factorization.

136433469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45477826.

The product of its digits is 139968, while the sum is 39.

The square root of 136433469 is about 11680.4738345668. The cubic root of 136433469 is about 514.8020969578.

The spelling of 136433469 in words is "one hundred thirty-six million, four hundred thirty-three thousand, four hundred sixty-nine".