7140132 has 18 divisors (see below), whose sum is σ = 18048758. Its totient is φ = 2380032.

The previous prime is 7140127. The next prime is 7140157. The reversal of 7140132 is 2310417.

It can be written as a sum of positive squares in only one way, i.e., 6230016 + 910116 = 2496^2 + 954^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99133 + ... + 99204.

Almost surely, 2^7140132 is an apocalyptic number.

It is an amenable number.

7140132 is an abundant number, since it is smaller than the sum of its proper divisors (10908626).

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

7140132 is a wasteful number, since it uses less digits than its factorization.

7140132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198347 (or 198342 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 7140132 is about 2672.1025429425. The cubic root of 7140132 is about 192.5611836774.

Adding to 7140132 its reverse (2310417), we get a palindrome (9450549).

The spelling of 7140132 in words is "seven million, one hundred forty thousand, one hundred thirty-two".