136881014 has 16 divisors (see below), whose sum is σ = 210083328. Its totient is φ = 66858792.

The previous prime is 136881007. The next prime is 136881023. The reversal of 136881014 is 410188631.

It is a happy number.

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, 67337 + ... + 69339.

It is an arithmetic number, because the mean of its divisors is an integer number (13130208).

Almost surely, 2^136881014 is an apocalyptic number.

136881014 is a deficient number, since it is larger than the sum of its proper divisors (73202314).

136881014 is a wasteful number, since it uses less digits than its factorization.

136881014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 136881014 is about 11699.6159766037. The cubic root of 136881014 is about 515.3643872304.

The spelling of 136881014 in words is "one hundred thirty-six million, eight hundred eighty-one thousand, fourteen".