137331545 has 8 divisors (see below), whose sum is σ = 177474696. Its totient is φ = 101414016.

The previous prime is 137331521. The next prime is 137331547. The reversal of 137331545 is 545133731.

It can be written as a sum of positive squares in 4 ways, for example, as 28504921 + 108826624 = 5339^2 + 10432^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137331545 - 2⁸ = 137331289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137331547) 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 7 ways as a sum of consecutive naturals, for example, 1056332 + ... + 1056461.

It is an arithmetic number, because the mean of its divisors is an integer number (22184337).

Almost surely, 2^137331545 is an apocalyptic number.

It is an amenable number.

137331545 is a deficient number, since it is larger than the sum of its proper divisors (40143151).

137331545 is a wasteful number, since it uses less digits than its factorization.

137331545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112811.

The product of its digits is 18900, while the sum is 32.

The square root of 137331545 is about 11718.8542528696. The cubic root of 137331545 is about 515.9291925054.

The spelling of 137331545 in words is "one hundred thirty-seven million, three hundred thirty-one thousand, five hundred forty-five".