137521041 has 32 divisors (see below), whose sum is σ = 222600960. Its totient is φ = 73721856.

The previous prime is 137521037. The next prime is 137521063. The reversal of 137521041 is 140125731.

It is not a de Polignac number, because 137521041 - 2² = 137521037 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137521091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 202795 + ... + 203471.

It is an arithmetic number, because the mean of its divisors is an integer number (6956280).

Almost surely, 2^137521041 is an apocalyptic number.

It is an amenable number.

137521041 is a deficient number, since it is larger than the sum of its proper divisors (85079919).

137521041 is a wasteful number, since it uses less digits than its factorization.

137521041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 137521041 is about 11726.9365564925. The cubic root of 137521041 is about 516.1663839077.

Adding to 137521041 its reverse (140125731), we get a palindrome (277646772).

The spelling of 137521041 in words is "one hundred thirty-seven million, five hundred twenty-one thousand, forty-one".