140164026253 has 4 divisors (see below), whose sum is σ = 140165518428. Its totient is φ = 140162534080.

The previous prime is 140164026241. The next prime is 140164026271. The reversal of 140164026253 is 352620461041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109949938569 + 30214087684 = 331587^2 + 173822^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140164026253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140164026853) 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, 594988 + ... + 796453.

It is an arithmetic number, because the mean of its divisors is an integer number (35041379607).

Almost surely, 2^140164026253 is an apocalyptic number.

It is an amenable number.

140164026253 is a deficient number, since it is larger than the sum of its proper divisors (1492175).

140164026253 is a wasteful number, since it uses less digits than its factorization.

140164026253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492174.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 140164026253 its reverse (352620461041), we get a palindrome (492784487294).

The spelling of 140164026253 in words is "one hundred forty billion, one hundred sixty-four million, twenty-six thousand, two hundred fifty-three".