137539860043 has 4 divisors (see below), whose sum is σ = 137705771440. Its totient is φ = 137373948648.

The previous prime is 137539860023. The next prime is 137539860097. The reversal of 137539860043 is 340068935731.

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 137539860043 - 2¹³ = 137539851851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137539860013) 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, 82954455 + ... + 82956112.

It is an arithmetic number, because the mean of its divisors is an integer number (34426442860).

Almost surely, 2^137539860043 is an apocalyptic number.

137539860043 is a deficient number, since it is larger than the sum of its proper divisors (165911397).

137539860043 is an equidigital number, since it uses as much as digits as its factorization.

137539860043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165911396.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 137539860043 in words is "one hundred thirty-seven billion, five hundred thirty-nine million, eight hundred sixty thousand, forty-three".