2135404 has 24 divisors (see below), whose sum is σ = 4088448. Its totient is φ = 971520.

The previous prime is 2135401. The next prime is 2135407. The reversal of 2135404 is 4045312.

It is an interprime number because it is at equal distance from previous prime (2135401) and next prime (2135407).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2135401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1602 + ... + 2614.

It is an arithmetic number, because the mean of its divisors is an integer number (170352).

2^2135404 is an apocalyptic number.

It is an amenable number.

2135404 is a deficient number, since it is larger than the sum of its proper divisors (1953044).

2135404 is a wasteful number, since it uses less digits than its factorization.

2135404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2135404 is about 1461.3021590349. The cubic root of 2135404 is about 128.7735546184.

The spelling of 2135404 in words is "two million, one hundred thirty-five thousand, four hundred four".