137161541 has 4 divisors (see below), whose sum is σ = 149630784. Its totient is φ = 124692300.

The previous prime is 137161517. The next prime is 137161571. The reversal of 137161541 is 145161731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137161541 - 2¹⁸ = 136899397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137161511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6234605 + ... + 6234626.

It is an arithmetic number, because the mean of its divisors is an integer number (37407696).

Almost surely, 2^137161541 is an apocalyptic number.

137161541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

137161541 is a deficient number, since it is larger than the sum of its proper divisors (12469243).

137161541 is a wasteful number, since it uses less digits than its factorization.

137161541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12469242.

The product of its digits is 2520, while the sum is 29.

The square root of 137161541 is about 11711.5985672324. The cubic root of 137161541 is about 515.7162134123.

The spelling of 137161541 in words is "one hundred thirty-seven million, one hundred sixty-one thousand, five hundred forty-one".