140402534632 has 32 divisors (see below), whose sum is σ = 271848376800. Its totient is φ = 67939591104.

The previous prime is 140402534627. The next prime is 140402534639. The reversal of 140402534632 is 236435204041.

It is not an unprimeable number, because it can be changed into a prime (140402534639) 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, 1834738 + ... + 1909729.

It is an arithmetic number, because the mean of its divisors is an integer number (8495261775).

Almost surely, 2^140402534632 is an apocalyptic number.

It is an amenable number.

140402534632 is a deficient number, since it is larger than the sum of its proper divisors (131445842168).

140402534632 is a wasteful number, since it uses less digits than its factorization.

140402534632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3744625 (or 3744621 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 140402534632 its reverse (236435204041), we get a palindrome (376837738673).

The spelling of 140402534632 in words is "one hundred forty billion, four hundred two million, five hundred thirty-four thousand, six hundred thirty-two".