140473677 has 4 divisors (see below), whose sum is σ = 187298240. Its totient is φ = 93649116.

The previous prime is 140473661. The next prime is 140473687. The reversal of 140473677 is 776374041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140473677 - 2⁴ = 140473661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140473637) 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, 23412277 + ... + 23412282.

It is an arithmetic number, because the mean of its divisors is an integer number (46824560).

Almost surely, 2^140473677 is an apocalyptic number.

It is an amenable number.

140473677 is a deficient number, since it is larger than the sum of its proper divisors (46824563).

140473677 is an equidigital number, since it uses as much as digits as its factorization.

140473677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46824562.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 140473677 is about 11852.1591703790. The cubic root of 140473677 is about 519.8343616917.

The spelling of 140473677 in words is "one hundred forty million, four hundred seventy-three thousand, six hundred seventy-seven".