136391214 has 16 divisors (see below), whose sum is σ = 272984400. Its totient is φ = 45430080.

The previous prime is 136391201. The next prime is 136391237. The reversal of 136391214 is 412193631.

It is a congruent number.

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, 1212 + ... + 16560.

It is an arithmetic number, because the mean of its divisors is an integer number (17061525).

Almost surely, 2^136391214 is an apocalyptic number.

136391214 is an abundant number, since it is smaller than the sum of its proper divisors (136593186).

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

136391214 is a wasteful number, since it uses less digits than its factorization.

136391214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835.

The product of its digits is 3888, while the sum is 30.

The square root of 136391214 is about 11678.6649065722. The cubic root of 136391214 is about 514.7489447783.

The spelling of 136391214 in words is "one hundred thirty-six million, three hundred ninety-one thousand, two hundred fourteen".