3135420 has 36 divisors (see below), whose sum is σ = 9511320. Its totient is φ = 836064.

The previous prime is 3135413. The next prime is 3135443. The reversal of 3135420 is 245313.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3135393 and 3135402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8530 + ... + 8889.

Almost surely, 2^3135420 is an apocalyptic number.

3135420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3135420 is an abundant number, since it is smaller than the sum of its proper divisors (6375900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3135420 is a wasteful number, since it uses less digits than its factorization.

3135420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17434 (or 17429 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3135420 is about 1770.7117213143. The cubic root of 3135420 is about 146.3632040465.

The spelling of 3135420 in words is "three million, one hundred thirty-five thousand, four hundred twenty".