137103561 has 48 divisors (see below), whose sum is σ = 236770560. Its totient is φ = 74793600.

The previous prime is 137103557. The next prime is 137103581. The reversal of 137103561 is 165301731.

It is not a de Polignac number, because 137103561 - 2² = 137103557 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (137103511) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184156 + ... + 184898.

It is an arithmetic number, because the mean of its divisors is an integer number (4932720).

Almost surely, 2^137103561 is an apocalyptic number.

It is an amenable number.

137103561 is a deficient number, since it is larger than the sum of its proper divisors (99666999).

137103561 is a wasteful number, since it uses less digits than its factorization.

137103561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 137103561 is about 11709.1229816754. The cubic root of 137103561 is about 515.6435364796.

It can be divided in two parts, 13710 and 3561, that added together give a palindrome (17271).

The spelling of 137103561 in words is "one hundred thirty-seven million, one hundred three thousand, five hundred sixty-one".