137381071 has 4 divisors (see below), whose sum is σ = 137590200. Its totient is φ = 137171944.

The previous prime is 137381053. The next prime is 137381113. The reversal of 137381071 is 170183731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170183731 = 1069 ⋅159199.

It is a cyclic number.

It is not a de Polignac number, because 137381071 - 2⁹ = 137380559 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 (137381771) 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 3 ways as a sum of consecutive naturals, for example, 103576 + ... + 104893.

It is an arithmetic number, because the mean of its divisors is an integer number (34397550).

Almost surely, 2^137381071 is an apocalyptic number.

137381071 is a deficient number, since it is larger than the sum of its proper divisors (209129).

137381071 is an equidigital number, since it uses as much as digits as its factorization.

137381071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209128.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 137381071 is about 11720.9671529273. The cubic root of 137381071 is about 515.9912050561.

The spelling of 137381071 in words is "one hundred thirty-seven million, three hundred eighty-one thousand, seventy-one".