140330442 has 32 divisors (see below), whose sum is σ = 321213312. Its totient is φ = 40037184.

The previous prime is 140330431. The next prime is 140330453. The reversal of 140330442 is 244033041.

It is an interprime number because it is at equal distance from previous prime (140330431) and next prime (140330453).

It is a super-3 number, since 3×140330442³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33868 + ... + 37784.

It is an arithmetic number, because the mean of its divisors is an integer number (10037916).

Almost surely, 2^140330442 is an apocalyptic number.

140330442 is an abundant number, since it is smaller than the sum of its proper divisors (180882870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140330442 is a wasteful number, since it uses less digits than its factorization.

140330442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 140330442 is about 11846.1150593771. The cubic root of 140330442 is about 519.6576173172.

Adding to 140330442 its reverse (244033041), we get a palindrome (384363483).

The spelling of 140330442 in words is "one hundred forty million, three hundred thirty thousand, four hundred forty-two".