7140315 has 32 divisors (see below), whose sum is σ = 14063616. Its totient is φ = 3012480.

The previous prime is 7140311. The next prime is 7140317. The reversal of 7140315 is 5130417.

It is not a de Polignac number, because 7140315 - 2² = 7140311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

7140315 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7140291 and 7140300.

It is not an unprimeable number, because it can be changed into a prime (7140311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1251 + ... + 3980.

It is an arithmetic number, because the mean of its divisors is an integer number (439488).

Almost surely, 2^7140315 is an apocalyptic number.

7140315 is a deficient number, since it is larger than the sum of its proper divisors (6923301).

7140315 is a wasteful number, since it uses less digits than its factorization.

7140315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5259.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 7140315 is about 2672.1367854210. The cubic root of 7140315 is about 192.5628287635.

The spelling of 7140315 in words is "seven million, one hundred forty thousand, three hundred fifteen".