140295530 has 8 divisors (see below), whose sum is σ = 252531972. Its totient is φ = 56118208.

The previous prime is 140295523. The next prime is 140295587. The reversal of 140295530 is 35592041.

It can be written as a sum of positive squares in 2 ways, for example, as 126135361 + 14160169 = 11231^2 + 3763^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 140295493 and 140295502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7014767 + ... + 7014786.

Almost surely, 2^140295530 is an apocalyptic number.

140295530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140295530 is a deficient number, since it is larger than the sum of its proper divisors (112236442).

140295530 is a wasteful number, since it uses less digits than its factorization.

140295530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14029560.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 140295530 is about 11844.6414044495. The cubic root of 140295530 is about 519.6145195375.

The spelling of 140295530 in words is "one hundred forty million, two hundred ninety-five thousand, five hundred thirty".