140473771 has 8 divisors (see below), whose sum is σ = 150621120. Its totient is φ = 130535808.

The previous prime is 140473763. The next prime is 140473777. The reversal of 140473771 is 177374041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140473771 - 2³ = 140473763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140473777) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 50956 + ... + 53641.

It is an arithmetic number, because the mean of its divisors is an integer number (18827640).

Almost surely, 2^140473771 is an apocalyptic number.

140473771 is a deficient number, since it is larger than the sum of its proper divisors (10147349).

140473771 is a wasteful number, since it uses less digits than its factorization.

140473771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104693.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 140473771 is about 11852.1631359006. The cubic root of 140473771 is about 519.8344776432.

The spelling of 140473771 in words is "one hundred forty million, four hundred seventy-three thousand, seven hundred seventy-one".