140502132453 has 4 divisors (see below), whose sum is σ = 187336176608. Its totient is φ = 93668088300.

The previous prime is 140502132403. The next prime is 140502132461. The reversal of 140502132453 is 354231205041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140502132453 - 2²⁴ = 140485355237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140502132453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140502132403) 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, 23417022073 + ... + 23417022078.

It is an arithmetic number, because the mean of its divisors is an integer number (46834044152).

Almost surely, 2^140502132453 is an apocalyptic number.

It is an amenable number.

140502132453 is a deficient number, since it is larger than the sum of its proper divisors (46834044155).

140502132453 is an equidigital number, since it uses as much as digits as its factorization.

140502132453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46834044154.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 140502132453 its reverse (354231205041), we get a palindrome (494733337494).

The spelling of 140502132453 in words is "one hundred forty billion, five hundred two million, one hundred thirty-two thousand, four hundred fifty-three".