140013878 has 8 divisors (see below), whose sum is σ = 210523320. Its totient is φ = 69839440.

The previous prime is 140013877. The next prime is 140013889. The reversal of 140013878 is 878310041.

140013878 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140013871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82703 + ... + 84378.

It is an arithmetic number, because the mean of its divisors is an integer number (26315415).

Almost surely, 2^140013878 is an apocalyptic number.

140013878 is a deficient number, since it is larger than the sum of its proper divisors (70509442).

140013878 is a wasteful number, since it uses less digits than its factorization.

140013878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167502.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 140013878 is about 11832.7460042038. The cubic root of 140013878 is about 519.2665671023.

The spelling of 140013878 in words is "one hundred forty million, thirteen thousand, eight hundred seventy-eight".