140705707242 has 16 divisors (see below), whose sum is σ = 290489202432. Its totient is φ = 45388937760.

The previous prime is 140705707237. The next prime is 140705707271. The reversal of 140705707242 is 242707507041.

It is a super-2 number, since 2×140705707242² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140705707242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378240963 + ... + 378241334.

It is an arithmetic number, because the mean of its divisors is an integer number (18155575152).

Almost surely, 2^140705707242 is an apocalyptic number.

140705707242 is an abundant number, since it is smaller than the sum of its proper divisors (149783495190).

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

140705707242 is a wasteful number, since it uses less digits than its factorization.

140705707242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756482333.

The product of its (nonzero) digits is 109760, while the sum is 39.

The spelling of 140705707242 in words is "one hundred forty billion, seven hundred five million, seven hundred seven thousand, two hundred forty-two".