2137915 has 16 divisors (see below), whose sum is σ = 2854656. Its totient is φ = 1526400.

The previous prime is 2137913. The next prime is 2137921. The reversal of 2137915 is 5197312.

It is not a de Polignac number, because 2137915 - 2¹ = 2137913 is a prime.

It is a Duffinian number.

2137915 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2137913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485 + ... + 2545.

It is an arithmetic number, because the mean of its divisors is an integer number (178416).

2^2137915 is an apocalyptic number.

2137915 is a deficient number, since it is larger than the sum of its proper divisors (716741).

2137915 is a wasteful number, since it uses less digits than its factorization.

2137915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110.

The product of its digits is 1890, while the sum is 28.

The square root of 2137915 is about 1462.1610718385. The cubic root of 2137915 is about 128.8240093547.

It can be divided in two parts, 213 and 7915, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 2137915 in words is "two million, one hundred thirty-seven thousand, nine hundred fifteen".