140330899 has 4 divisors (see below), whose sum is σ = 144123664. Its totient is φ = 136538136.

The previous prime is 140330873. The next prime is 140330917. The reversal of 140330899 is 998033041.

140330899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998033041 = 18451 ⋅54091.

It is a cyclic number.

It is not a de Polignac number, because 140330899 - 2¹⁵ = 140298131 is a prime.

It is a super-2 number, since 2×140330899² = 39385522428296402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3792727 = 140330899 / (1 + 4 + 0 + 3 + 3 + 0 + 8 + 9 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140330819) 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, 1896327 + ... + 1896400.

It is an arithmetic number, because the mean of its divisors is an integer number (36030916).

Almost surely, 2^140330899 is an apocalyptic number.

140330899 is a deficient number, since it is larger than the sum of its proper divisors (3792765).

140330899 is an equidigital number, since it uses as much as digits as its factorization.

140330899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792764.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 140330899 is about 11846.1343483856. The cubic root of 140330899 is about 519.6581814221.

The spelling of 140330899 in words is "one hundred forty million, three hundred thirty thousand, eight hundred ninety-nine".