140704451 has 12 divisors (see below), whose sum is σ = 146553120. Its totient is φ = 135064800.

The previous prime is 140704441. The next prime is 140704457. The reversal of 140704451 is 154407041.

140704451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140704451 - 2⁶ = 140704387 is a prime.

It is a super-2 number, since 2×140704451² = 39595485062422802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140704451.

It is not an unprimeable number, because it can be changed into a prime (140704457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107501 + ... + 108801.

It is an arithmetic number, because the mean of its divisors is an integer number (12212760).

Almost surely, 2^140704451 is an apocalyptic number.

140704451 is a deficient number, since it is larger than the sum of its proper divisors (5848669).

140704451 is an equidigital number, since it uses as much as digits as its factorization.

140704451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 140704451 is about 11861.8907008959. The cubic root of 140704451 is about 520.1188719855.

The spelling of 140704451 in words is "one hundred forty million, seven hundred four thousand, four hundred fifty-one".