140877879 has 12 divisors (see below), whose sum is σ = 189286248. Its totient is φ = 93196480.

The previous prime is 140877859. The next prime is 140877883. The reversal of 140877879 is 978778041.

It is not a de Polignac number, because 140877879 - 2¹¹ = 140875831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140877839) 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, 270139 + ... + 270659.

It is an arithmetic number, because the mean of its divisors is an integer number (15773854).

Almost surely, 2^140877879 is an apocalyptic number.

140877879 is a deficient number, since it is larger than the sum of its proper divisors (48408369).

140877879 is an frugal number, since it uses more digits than its factorization.

140877879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 51.

The square root of 140877879 is about 11869.1987513901. The cubic root of 140877879 is about 520.3324784490.

The spelling of 140877879 in words is "one hundred forty million, eight hundred seventy-seven thousand, eight hundred seventy-nine".