140572605491 has 2 divisors, whose sum is σ = 140572605492. Its totient is φ = 140572605490.

The previous prime is 140572605419. The next prime is 140572605493. The reversal of 140572605491 is 194506275041.

Together with previous prime (140572605419) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140572605491 - 2¹⁴ = 140572589107 is a prime.

It is a super-3 number, since 3×140572605491³ (a number of 34 digits) contains 333 as substring.

Together with 140572605493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140572605493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70286302745 + 70286302746.

It is an arithmetic number, because the mean of its divisors is an integer number (70286302746).

Almost surely, 2^140572605491 is an apocalyptic number.

140572605491 is a deficient number, since it is larger than the sum of its proper divisors (1).

140572605491 is an equidigital number, since it uses as much as digits as its factorization.

140572605491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 140572605491 in words is "one hundred forty billion, five hundred seventy-two million, six hundred five thousand, four hundred ninety-one".