137439043 has 16 divisors (see below), whose sum is σ = 160706304. Its totient is φ = 115109280.

The previous prime is 137439023. The next prime is 137439061. The reversal of 137439043 is 340934731.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 137439043 - 2¹³ = 137430851 is a prime.

It is a house number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137439013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60321 + ... + 62557.

It is an arithmetic number, because the mean of its divisors is an integer number (10044144).

Almost surely, 2^137439043 is an apocalyptic number.

137439043 is a deficient number, since it is larger than the sum of its proper divisors (23267261).

137439043 is a wasteful number, since it uses less digits than its factorization.

137439043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2442.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 137439043 is about 11723.4398962079. The cubic root of 137439043 is about 516.0637740919.

The spelling of 137439043 in words is "one hundred thirty-seven million, four hundred thirty-nine thousand, forty-three".