137531011 has 2 divisors, whose sum is σ = 137531012. Its totient is φ = 137531010.

The previous prime is 137530979. The next prime is 137531029. The reversal of 137531011 is 110135731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137531011 - 2⁵ = 137530979 is a prime.

It is not a weakly prime, because it can be changed into another prime (137531041) 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 as a sum of consecutive naturals, namely, 68765505 + 68765506.

It is an arithmetic number, because the mean of its divisors is an integer number (68765506).

Almost surely, 2^137531011 is an apocalyptic number.

137531011 is a deficient number, since it is larger than the sum of its proper divisors (1).

137531011 is an equidigital number, since it uses as much as digits as its factorization.

137531011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 137531011 is about 11727.3616384931. The cubic root of 137531011 is about 516.1788572826.

Adding to 137531011 its reverse (110135731), we get a palindrome (247666742).

The spelling of 137531011 in words is "one hundred thirty-seven million, five hundred thirty-one thousand, eleven".