140536514 has 8 divisors (see below), whose sum is σ = 211046160. Its totient is φ = 70187796.

The previous prime is 140536511. The next prime is 140536519. The reversal of 140536514 is 415635041.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140536511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38024 + ... + 41555.

It is an arithmetic number, because the mean of its divisors is an integer number (26380770).

Almost surely, 2^140536514 is an apocalyptic number.

140536514 is a deficient number, since it is larger than the sum of its proper divisors (70509646).

140536514 is an equidigital number, since it uses as much as digits as its factorization.

140536514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80464.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 140536514 is about 11854.8097411979. The cubic root of 140536514 is about 519.9118612943.

The spelling of 140536514 in words is "one hundred forty million, five hundred thirty-six thousand, five hundred fourteen".