140277879181 has 8 divisors (see below), whose sum is σ = 153150264864. Its totient is φ = 127425468720.

The previous prime is 140277879179. The next prime is 140277879199. The reversal of 140277879181 is 181978772041.

It is a happy number.

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

It is not a de Polignac number, because 140277879181 - 2¹ = 140277879179 is a prime.

It is a super-2 number, since 2×140277879181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140277879121) 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, 4979115 + ... + 5007208.

It is an arithmetic number, because the mean of its divisors is an integer number (19143783108).

Almost surely, 2^140277879181 is an apocalyptic number.

140277879181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140277879181 is a deficient number, since it is larger than the sum of its proper divisors (12872385683).

140277879181 is a wasteful number, since it uses less digits than its factorization.

140277879181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9987611.

The product of its (nonzero) digits is 1580544, while the sum is 55.

The spelling of 140277879181 in words is "one hundred forty billion, two hundred seventy-seven million, eight hundred seventy-nine thousand, one hundred eighty-one".