140741651537 has 4 divisors (see below), whose sum is σ = 140954574516. Its totient is φ = 140528728560.

The previous prime is 140741651521. The next prime is 140741651551. The reversal of 140741651537 is 735156147041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 735156147041 = 601883 ⋅1221427.

It can be written as a sum of positive squares in 2 ways, for example, as 120882077761 + 19859573776 = 347681^2 + 140924^2 .

It is a cyclic number.

It is not a de Polignac number, because 140741651537 - 2⁴ = 140741651521 is a prime.

It is a super-3 number, since 3×140741651537³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140741651597) 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, 106460498 + ... + 106461819.

It is an arithmetic number, because the mean of its divisors is an integer number (35238643629).

Almost surely, 2^140741651537 is an apocalyptic number.

It is an amenable number.

140741651537 is a deficient number, since it is larger than the sum of its proper divisors (212922979).

140741651537 is an equidigital number, since it uses as much as digits as its factorization.

140741651537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212922978.

The product of its (nonzero) digits is 352800, while the sum is 44.

Adding to 140741651537 its reverse (735156147041), we get a palindrome (875897798578).

The spelling of 140741651537 in words is "one hundred forty billion, seven hundred forty-one million, six hundred fifty-one thousand, five hundred thirty-seven".