140170779012 has 24 divisors (see below), whose sum is σ = 356798346912. Its totient is φ = 42475993600.

The previous prime is 140170778983. The next prime is 140170779013. The reversal of 140170779012 is 210977071041.

It is a super-2 number, since 2×140170779012² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140170779013) 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, 530949789 + ... + 530950052.

It is an arithmetic number, because the mean of its divisors is an integer number (14866597788).

Almost surely, 2^140170779012 is an apocalyptic number.

140170779012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140170779012 is an abundant number, since it is smaller than the sum of its proper divisors (216627567900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140170779012 is a wasteful number, since it uses less digits than its factorization.

140170779012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061899859 (or 1061899857 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 39.

The spelling of 140170779012 in words is "one hundred forty billion, one hundred seventy million, seven hundred seventy-nine thousand, twelve".