7135290 has 80 divisors (see below), whose sum is σ = 20072448. Its totient is φ = 1815264.

The previous prime is 7135277. The next prime is 7135309. The reversal of 7135290 is 925317.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 18439 + ... + 18821.

Almost surely, 2^7135290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7135290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10036224).

7135290 is an abundant number, since it is smaller than the sum of its proper divisors (12937158).

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

7135290 is a wasteful number, since it uses less digits than its factorization.

7135290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 7135290 is about 2671.1963611835. The cubic root of 7135290 is about 192.5176461026.

Adding to 7135290 its sum of digits (27), we get a palindrome (7135317).

The spelling of 7135290 in words is "seven million, one hundred thirty-five thousand, two hundred ninety".