136669016 has 48 divisors (see below), whose sum is σ = 286561800. Its totient is φ = 61043840.

The previous prime is 136669003. The next prime is 136669019. The reversal of 136669016 is 610966631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136669019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55916 + ... + 58308.

Almost surely, 2^136669016 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 136669016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143280900).

136669016 is an abundant number, since it is smaller than the sum of its proper divisors (149892784).

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

136669016 is a wasteful number, since it uses less digits than its factorization.

136669016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2480 (or 2465 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 136669016 is about 11690.5524249284. The cubic root of 136669016 is about 515.0981884611.

The spelling of 136669016 in words is "one hundred thirty-six million, six hundred sixty-nine thousand, sixteen".