137541231 has 6 divisors (see below), whose sum is σ = 198670680. Its totient is φ = 91694148.

The previous prime is 137541211. The next prime is 137541233. The reversal of 137541231 is 132145731.

It is not a de Polignac number, because 137541231 - 2⁹ = 137540719 is a prime.

It is a super-2 number, since 2×137541231² = 37835180449990722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 137541195 and 137541204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137541233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7641171 + ... + 7641188.

It is an arithmetic number, because the mean of its divisors is an integer number (33111780).

Almost surely, 2^137541231 is an apocalyptic number.

137541231 is a deficient number, since it is larger than the sum of its proper divisors (61129449).

137541231 is a wasteful number, since it uses less digits than its factorization.

137541231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15282365 (or 15282362 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 137541231 is about 11727.7973635291. The cubic root of 137541231 is about 516.1916428044.

Adding to 137541231 its reverse (132145731), we get a palindrome (269686962).

The spelling of 137541231 in words is "one hundred thirty-seven million, five hundred forty-one thousand, two hundred thirty-one".