140353305525401 has 4 divisors (see below), whose sum is σ = 142448130981072. Its totient is φ = 138258480069732.

The previous prime is 140353305525383. The next prime is 140353305525457. The reversal of 140353305525401 is 104525503353041.

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 a cyclic number.

It is not a de Polignac number, because 140353305525401 - 2⁶ = 140353305525337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140353305527401) 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, 1047412727735 + ... + 1047412727868.

It is an arithmetic number, because the mean of its divisors is an integer number (35612032745268).

Almost surely, 2^{140353305525401} is an apocalyptic number.

It is an amenable number.

140353305525401 is a deficient number, since it is larger than the sum of its proper divisors (2094825455671).

140353305525401 is an equidigital number, since it uses as much as digits as its factorization.

140353305525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094825455670.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 140353305525401 its reverse (104525503353041), we get a palindrome (244878808878442).

The spelling of 140353305525401 in words is "one hundred forty trillion, three hundred fifty-three billion, three hundred five million, five hundred twenty-five thousand, four hundred one".