140225252351 has 4 divisors (see below), whose sum is σ = 141586662672. Its totient is φ = 138863842032.

The previous prime is 140225252309. The next prime is 140225252357. The reversal of 140225252351 is 153252522041.

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

It is a cyclic number.

It is not a de Polignac number, because 140225252351 - 2¹⁴ = 140225235967 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 (140225252357) 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, 680705006 + ... + 680705211.

It is an arithmetic number, because the mean of its divisors is an integer number (35396665668).

Almost surely, 2^140225252351 is an apocalyptic number.

140225252351 is a deficient number, since it is larger than the sum of its proper divisors (1361410321).

140225252351 is a wasteful number, since it uses less digits than its factorization.

140225252351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361410320.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 140225252351 its reverse (153252522041), we get a palindrome (293477774392).

The spelling of 140225252351 in words is "one hundred forty billion, two hundred twenty-five million, two hundred fifty-two thousand, three hundred fifty-one".