2137544 has 8 divisors (see below), whose sum is σ = 4007910. Its totient is φ = 1068768.

The previous prime is 2137517. The next prime is 2137547. The reversal of 2137544 is 4457312.

It can be written as a sum of positive squares in only one way, i.e., 2137444 + 100 = 1462^2 + 10^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2⁷ + 1 + 3⁴ + 7⁶ + 5⁹ + 4⁵ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (2137547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133589 + ... + 133604.

2^2137544 is an apocalyptic number.

It is an amenable number.

2137544 is a deficient number, since it is larger than the sum of its proper divisors (1870366).

2137544 is a wasteful number, since it uses less digits than its factorization.

2137544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267199 (or 267195 counting only the distinct ones).

The product of its digits is 3360, while the sum is 26.

The square root of 2137544 is about 1462.0341993264. The cubic root of 2137544 is about 128.8165571606.

The spelling of 2137544 in words is "two million, one hundred thirty-seven thousand, five hundred forty-four".