137938055 has 4 divisors (see below), whose sum is σ = 165525672. Its totient is φ = 110350440.

The previous prime is 137938049. The next prime is 137938057. The reversal of 137938055 is 550839731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550839731 = 13 ⋅42372287.

It is not a de Polignac number, because 137938055 - 2⁸ = 137937799 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 (137938057) 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, 13793801 + ... + 13793810.

It is an arithmetic number, because the mean of its divisors is an integer number (41381418).

Almost surely, 2^137938055 is an apocalyptic number.

137938055 is a deficient number, since it is larger than the sum of its proper divisors (27587617).

137938055 is an equidigital number, since it uses as much as digits as its factorization.

137938055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27587616.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 137938055 is about 11744.7032742424. The cubic root of 137938055 is about 516.6875924002.

The spelling of 137938055 in words is "one hundred thirty-seven million, nine hundred thirty-eight thousand, fifty-five".