13740331477 has 4 divisors (see below), whose sum is σ = 13762601676. Its totient is φ = 13718061280.

The previous prime is 13740331463. The next prime is 13740331519. The reversal of 13740331477 is 77413304731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77413304731 = 7 ⋅11059043533.

It can be written as a sum of positive squares in 2 ways, for example, as 6393441681 + 7346889796 = 79959^2 + 85714^2 .

It is a cyclic number.

It is not a de Polignac number, because 13740331477 - 2⁷ = 13740331349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13740331417) 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, 11134174 + ... + 11135407.

It is an arithmetic number, because the mean of its divisors is an integer number (3440650419).

Almost surely, 2^13740331477 is an apocalyptic number.

It is an amenable number.

13740331477 is a deficient number, since it is larger than the sum of its proper divisors (22270199).

13740331477 is an equidigital number, since it uses as much as digits as its factorization.

13740331477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22270198.

The product of its (nonzero) digits is 148176, while the sum is 40.

The spelling of 13740331477 in words is "thirteen billion, seven hundred forty million, three hundred thirty-one thousand, four hundred seventy-seven".