137486478543 has 4 divisors (see below), whose sum is σ = 183315304728. Its totient is φ = 91657652360.

The previous prime is 137486478533. The next prime is 137486478583. The reversal of 137486478543 is 345874684731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137486478543 - 2⁵ = 137486478511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137486478533) 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, 22914413088 + ... + 22914413093.

It is an arithmetic number, because the mean of its divisors is an integer number (45828826182).

Almost surely, 2^137486478543 is an apocalyptic number.

137486478543 is a deficient number, since it is larger than the sum of its proper divisors (45828826185).

137486478543 is an equidigital number, since it uses as much as digits as its factorization.

137486478543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45828826184.

The product of its digits is 54190080, while the sum is 60.

The spelling of 137486478543 in words is "one hundred thirty-seven billion, four hundred eighty-six million, four hundred seventy-eight thousand, five hundred forty-three".