140330534 has 4 divisors (see below), whose sum is σ = 210495804. Its totient is φ = 70165266.

The previous prime is 140330527. The next prime is 140330539. The reversal of 140330534 is 435033041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 435033041 = 1321 ⋅329321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140330539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35082632 + ... + 35082635.

It is an arithmetic number, because the mean of its divisors is an integer number (52623951).

Almost surely, 2^140330534 is an apocalyptic number.

140330534 is a deficient number, since it is larger than the sum of its proper divisors (70165270).

140330534 is an equidigital number, since it uses as much as digits as its factorization.

140330534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70165269.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 140330534 is about 11846.1189425060. The cubic root of 140330534 is about 519.6577308789.

Adding to 140330534 its reverse (435033041), we get a palindrome (575363575).

The spelling of 140330534 in words is "one hundred forty million, three hundred thirty thousand, five hundred thirty-four".