140374471 has 4 divisors (see below), whose sum is σ = 145215000. Its totient is φ = 135533944.

The previous prime is 140374469. The next prime is 140374501. The reversal of 140374471 is 174473041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174473041 = 541 ⋅322501.

It is a cyclic number.

It is not a de Polignac number, because 140374471 - 2¹ = 140374469 is a prime.

It is a super-3 number, since 3×140374471³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140374441) 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, 2420221 + ... + 2420278.

It is an arithmetic number, because the mean of its divisors is an integer number (36303750).

Almost surely, 2^140374471 is an apocalyptic number.

140374471 is a deficient number, since it is larger than the sum of its proper divisors (4840529).

140374471 is an equidigital number, since it uses as much as digits as its factorization.

140374471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840528.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 140374471 is about 11847.9732866005. The cubic root of 140374471 is about 519.7119595598.

The spelling of 140374471 in words is "one hundred forty million, three hundred seventy-four thousand, four hundred seventy-one".