140315302 has 4 divisors (see below), whose sum is σ = 210472956. Its totient is φ = 70157650.

The previous prime is 140315291. The next prime is 140315317. The reversal of 140315302 is 203513041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203513041 = 239 ⋅851519.

It is a self number, because there is not a number n which added to its sum of digits gives 140315302.

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, 35078824 + ... + 35078827.

It is an arithmetic number, because the mean of its divisors is an integer number (52618239).

Almost surely, 2^140315302 is an apocalyptic number.

140315302 is a deficient number, since it is larger than the sum of its proper divisors (70157654).

140315302 is an equidigital number, since it uses as much as digits as its factorization.

140315302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70157653.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 140315302 is about 11845.4760140739. The cubic root of 140315302 is about 519.6389283353.

Adding to 140315302 its reverse (203513041), we get a palindrome (343828343).

The spelling of 140315302 in words is "one hundred forty million, three hundred fifteen thousand, three hundred two".