1914137 has 4 divisors (see below), whose sum is σ = 1946640. Its totient is φ = 1881636.

The previous prime is 1914131. The next prime is 1914139. The reversal of 1914137 is 7314191.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7314191 = 1787 ⋅4093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1914137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1914131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16163 + ... + 16280.

It is an arithmetic number, because the mean of its divisors is an integer number (486660).

2^1914137 is an apocalyptic number.

It is an amenable number.

1914137 is a deficient number, since it is larger than the sum of its proper divisors (32503).

1914137 is an equidigital number, since it uses as much as digits as its factorization.

1914137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32502.

The product of its digits is 756, while the sum is 26.

The square root of 1914137 is about 1383.5234005972. The cubic root of 1914137 is about 124.1626594105.

The spelling of 1914137 in words is "one million, nine hundred fourteen thousand, one hundred thirty-seven".