140142073842 has 48 divisors (see below), whose sum is σ = 311292334080. Its totient is φ = 45538718400.

The previous prime is 140142073831. The next prime is 140142073861. The reversal of 140142073842 is 248370241041.

140142073842 is a `hidden beast` number, since 1 + 401 + 4 + 207 + 3 + 8 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 140142073797 and 140142073806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 869667 + ... + 1018137.

It is an arithmetic number, because the mean of its divisors is an integer number (6485256960).

Almost surely, 2^140142073842 is an apocalyptic number.

140142073842 is an abundant number, since it is smaller than the sum of its proper divisors (171150260238).

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

140142073842 is a wasteful number, since it uses less digits than its factorization.

140142073842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149799 (or 149796 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 140142073842 in words is "one hundred forty billion, one hundred forty-two million, seventy-three thousand, eight hundred forty-two".