1902134 has 16 divisors (see below), whose sum is σ = 3099600. Its totient is φ = 870240.

The previous prime is 1902127. The next prime is 1902143. The reversal of 1902134 is 4312091.

It is a super-2 number, since 2×1902134² = 7236227507912, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3629 + ... + 4119.

It is an arithmetic number, because the mean of its divisors is an integer number (193725).

2^1902134 is an apocalyptic number.

1902134 is a deficient number, since it is larger than the sum of its proper divisors (1197466).

1902134 is a wasteful number, since it uses less digits than its factorization.

1902134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1902134 is about 1379.1787411355. The cubic root of 1902134 is about 123.9025856488.

The spelling of 1902134 in words is "one million, nine hundred two thousand, one hundred thirty-four".