2140953172 has 6 divisors (see below), whose sum is σ = 3746668058. Its totient is φ = 1070476584.

The previous prime is 2140953169. The next prime is 2140953181. The reversal of 2140953172 is 2713590412.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2039064336 + 101888836 = 45156^2 + 10094^2 .

It is a super-3 number, since 3×2140953172³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 267619143 + ... + 267619150.

Almost surely, 2^2140953172 is an apocalyptic number.

It is an amenable number.

2140953172 is a deficient number, since it is larger than the sum of its proper divisors (1605714886).

2140953172 is a wasteful number, since it uses less digits than its factorization.

2140953172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535238297 (or 535238295 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 2140953172 is about 46270.4351827384. The cubic root of 2140953172 is about 1288.8500402227.

The spelling of 2140953172 in words is "two billion, one hundred forty million, nine hundred fifty-three thousand, one hundred seventy-two".