140045540413 has 4 divisors (see below), whose sum is σ = 140046450940. Its totient is φ = 140044629888.

The previous prime is 140045540389. The next prime is 140045540417. The reversal of 140045540413 is 314045540041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 314045540041 = 577 ⋅544273033.

It can be written as a sum of positive squares in 2 ways, for example, as 34054273444 + 105991266969 = 184538^2 + 325563^2 .

It is a cyclic number.

It is not a de Polignac number, because 140045540413 - 2⁵ = 140045540381 is a prime.

It is a super-2 number, since 2×140045540413² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140045540417) 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, 161268 + ... + 553261.

It is an arithmetic number, because the mean of its divisors is an integer number (35011612735).

Almost surely, 2^140045540413 is an apocalyptic number.

It is an amenable number.

140045540413 is a deficient number, since it is larger than the sum of its proper divisors (910527).

140045540413 is an equidigital number, since it uses as much as digits as its factorization.

140045540413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910526.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 140045540413 in words is "one hundred forty billion, forty-five million, five hundred forty thousand, four hundred thirteen".