140115886 has 16 divisors (see below), whose sum is σ = 213159600. Its totient is φ = 69068800.

The previous prime is 140115863. The next prime is 140115889. The reversal of 140115886 is 688511041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140115889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50565 + ... + 53263.

It is an arithmetic number, because the mean of its divisors is an integer number (13322475).

Almost surely, 2^140115886 is an apocalyptic number.

140115886 is a deficient number, since it is larger than the sum of its proper divisors (73043714).

140115886 is a wasteful number, since it uses less digits than its factorization.

140115886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059.

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 140115886 is about 11837.0556305189. The cubic root of 140115886 is about 519.3926414749.

The spelling of 140115886 in words is "one hundred forty million, one hundred fifteen thousand, eight hundred eighty-six".