140642434625 has 64 divisors (see below), whose sum is σ = 226378713600. Its totient is φ = 84649824000.

The previous prime is 140642434577. The next prime is 140642434627. The reversal of 140642434625 is 526434246041.

140642434625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140642434625 - 2¹² = 140642430529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140642434627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27191 + ... + 531059.

It is an arithmetic number, because the mean of its divisors is an integer number (3537167400).

Almost surely, 2^140642434625 is an apocalyptic number.

It is an amenable number.

140642434625 is a deficient number, since it is larger than the sum of its proper divisors (85736278975).

140642434625 is a wasteful number, since it uses less digits than its factorization.

140642434625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503931 (or 503921 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 140642434625 in words is "one hundred forty billion, six hundred forty-two million, four hundred thirty-four thousand, six hundred twenty-five".