137444101 has 2 divisors, whose sum is σ = 137444102. Its totient is φ = 137444100.

The previous prime is 137444071. The next prime is 137444147. The reversal of 137444101 is 101444731.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130553476 + 6890625 = 11426^2 + 2625^2 .

It is a cyclic number.

It is not a de Polignac number, because 137444101 - 2⁷ = 137443973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137444191) 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, 68722050 + 68722051.

It is an arithmetic number, because the mean of its divisors is an integer number (68722051).

Almost surely, 2^137444101 is an apocalyptic number.

It is an amenable number.

137444101 is a deficient number, since it is larger than the sum of its proper divisors (1).

137444101 is an equidigital number, since it uses as much as digits as its factorization.

137444101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 137444101 is about 11723.6556158905. The cubic root of 137444101 is about 516.0701047009.

Adding to 137444101 its reverse (101444731), we get a palindrome (238888832).

The spelling of 137444101 in words is "one hundred thirty-seven million, four hundred forty-four thousand, one hundred one".