140394348436 has 12 divisors (see below), whose sum is σ = 246276485280. Its totient is φ = 70029638360.

The previous prime is 140394348433. The next prime is 140394348467. The reversal of 140394348436 is 634843493041.

It is a self number, because there is not a number n which added to its sum of digits gives 140394348436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140394348433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41882080 + ... + 41885431.

It is an arithmetic number, because the mean of its divisors is an integer number (20523040440).

Almost surely, 2^140394348436 is an apocalyptic number.

It is an amenable number.

140394348436 is a deficient number, since it is larger than the sum of its proper divisors (105882136844).

140394348436 is a wasteful number, since it uses less digits than its factorization.

140394348436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83767934 (or 83767932 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 140394348436 in words is "one hundred forty billion, three hundred ninety-four million, three hundred forty-eight thousand, four hundred thirty-six".