140056345237 has 2 divisors, whose sum is σ = 140056345238. Its totient is φ = 140056345236.

The previous prime is 140056345223. The next prime is 140056345361. The reversal of 140056345237 is 732543650041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112247781156 + 27808564081 = 335034^2 + 166759^2 .

It is a cyclic number.

It is not a de Polignac number, because 140056345237 - 2³¹ = 137908861589 is a prime.

It is a super-2 number, since 2×140056345237² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140056345237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140056345937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70028172618 + 70028172619.

It is an arithmetic number, because the mean of its divisors is an integer number (70028172619).

Almost surely, 2^140056345237 is an apocalyptic number.

It is an amenable number.

140056345237 is a deficient number, since it is larger than the sum of its proper divisors (1).

140056345237 is an equidigital number, since it uses as much as digits as its factorization.

140056345237 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 40.

Adding to 140056345237 its reverse (732543650041), we get a palindrome (872599995278).

The spelling of 140056345237 in words is "one hundred forty billion, fifty-six million, three hundred forty-five thousand, two hundred thirty-seven".