137123049 has 16 divisors (see below), whose sum is σ = 216155520. Its totient is φ = 75653760.

The previous prime is 137123047. The next prime is 137123089. The reversal of 137123049 is 940321731.

It is not a de Polignac number, because 137123049 - 2¹ = 137123047 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137123047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111972 + ... + 113189.

It is an arithmetic number, because the mean of its divisors is an integer number (13509720).

Almost surely, 2^137123049 is an apocalyptic number.

It is an amenable number.

137123049 is a deficient number, since it is larger than the sum of its proper divisors (79032471).

137123049 is a wasteful number, since it uses less digits than its factorization.

137123049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225200.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 137123049 is about 11709.9551237398. The cubic root of 137123049 is about 515.6679666381.

It can be divided in two parts, 13712 and 3049, that added together give a palindrome (16761).

The spelling of 137123049 in words is "one hundred thirty-seven million, one hundred twenty-three thousand, forty-nine".