136443468 has 24 divisors (see below), whose sum is σ = 363849472. Its totient is φ = 38983824.

The previous prime is 136443421. The next prime is 136443481. The reversal of 136443468 is 864344631.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812080 + ... + 812247.

Almost surely, 2^136443468 is an apocalyptic number.

It is an amenable number.

136443468 is an abundant number, since it is smaller than the sum of its proper divisors (227406004).

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

136443468 is a wasteful number, since it uses less digits than its factorization.

136443468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624341 (or 1624339 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 136443468 is about 11680.9018487444. The cubic root of 136443468 is about 514.8146730030.

The spelling of 136443468 in words is "one hundred thirty-six million, four hundred forty-three thousand, four hundred sixty-eight".