140237374397 has 2 divisors, whose sum is σ = 140237374398. Its totient is φ = 140237374396.

The previous prime is 140237374367. The next prime is 140237374439. The reversal of 140237374397 is 793473732041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72997772761 + 67239601636 = 270181^2 + 259306^2 .

It is a cyclic number.

It is not a de Polignac number, because 140237374397 - 2⁸ = 140237374141 is a prime.

It is a super-2 number, since 2×140237374397² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140237374327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70118687198 + 70118687199.

It is an arithmetic number, because the mean of its divisors is an integer number (70118687199).

Almost surely, 2^140237374397 is an apocalyptic number.

It is an amenable number.

140237374397 is a deficient number, since it is larger than the sum of its proper divisors (1).

140237374397 is an equidigital number, since it uses as much as digits as its factorization.

140237374397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 140237374397 in words is "one hundred forty billion, two hundred thirty-seven million, three hundred seventy-four thousand, three hundred ninety-seven".