140310454 has 4 divisors (see below), whose sum is σ = 210465684. Its totient is φ = 70155226.

The previous prime is 140310427. The next prime is 140310473. The reversal of 140310454 is 454013041.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×140310454² = 39374047003372232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35077612 + ... + 35077615.

It is an arithmetic number, because the mean of its divisors is an integer number (52616421).

Almost surely, 2^140310454 is an apocalyptic number.

140310454 is a deficient number, since it is larger than the sum of its proper divisors (70155230).

140310454 is an equidigital number, since it uses as much as digits as its factorization.

140310454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70155229.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140310454 is about 11845.2713772205. The cubic root of 140310454 is about 519.6329436268.

Adding to 140310454 its reverse (454013041), we get a palindrome (594323495).

The spelling of 140310454 in words is "one hundred forty million, three hundred ten thousand, four hundred fifty-four".