136403436 has 48 divisors (see below), whose sum is σ = 343867104. Its totient is φ = 41834496.

The previous prime is 136403419. The next prime is 136403471. The reversal of 136403436 is 634304631.

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, 53830 + ... + 56306.

It is an arithmetic number, because the mean of its divisors is an integer number (7163898).

Almost surely, 2^136403436 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 136403436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171933552).

136403436 is an abundant number, since it is smaller than the sum of its proper divisors (207463668).

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

136403436 is a wasteful number, since it uses less digits than its factorization.

136403436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850 (or 2848 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 136403436 is about 11679.1881567171. The cubic root of 136403436 is about 514.7643198490.

The spelling of 136403436 in words is "one hundred thirty-six million, four hundred three thousand, four hundred thirty-six".