137682071 has 4 divisors (see below), whose sum is σ = 143668272. Its totient is φ = 131695872.

The previous prime is 137682049. The next prime is 137682073. The reversal of 137682071 is 170286731.

137682071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170286731 = 67 ⋅2541593.

It is a cyclic number.

It is not a de Polignac number, because 137682071 - 2⁶ = 137682007 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 (137682073) 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, 2993066 + ... + 2993111.

It is an arithmetic number, because the mean of its divisors is an integer number (35917068).

Almost surely, 2^137682071 is an apocalyptic number.

137682071 is a deficient number, since it is larger than the sum of its proper divisors (5986201).

137682071 is an equidigital number, since it uses as much as digits as its factorization.

137682071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986200.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 137682071 is about 11733.8003647582. The cubic root of 137682071 is about 516.3677733360.

The spelling of 137682071 in words is "one hundred thirty-seven million, six hundred eighty-two thousand, seventy-one".