136423448 has 64 divisors (see below), whose sum is σ = 302400000. Its totient is φ = 57666336.

The previous prime is 136423433. The next prime is 136423471. The reversal of 136423448 is 844324631.

It is a super-2 number, since 2×136423448² = 37222714328417408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227453 + ... + 228051.

It is an arithmetic number, because the mean of its divisors is an integer number (4725000).

Almost surely, 2^136423448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136423448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151200000).

136423448 is an abundant number, since it is smaller than the sum of its proper divisors (165976552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136423448 is an equidigital number, since it uses as much as digits as its factorization.

136423448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 691 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 136423448 is about 11680.0448629275. The cubic root of 136423448 is about 514.7894926260.

The spelling of 136423448 in words is "one hundred thirty-six million, four hundred twenty-three thousand, four hundred forty-eight".