140764047 has 8 divisors (see below), whose sum is σ = 188060544. Its totient is φ = 93655128.

The previous prime is 140764009. The next prime is 140764081. The reversal of 140764047 is 740467041.

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

It is a de Polignac number, because none of the positive numbers 2^k-140764047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140763999 and 140764017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140764747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45133 + ... + 48150.

It is an arithmetic number, because the mean of its divisors is an integer number (23507568).

Almost surely, 2^140764047 is an apocalyptic number.

140764047 is a deficient number, since it is larger than the sum of its proper divisors (47296497).

140764047 is an equidigital number, since it uses as much as digits as its factorization.

140764047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93789.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 140764047 is about 11864.4025134012. The cubic root of 140764047 is about 520.1922945124.

The spelling of 140764047 in words is "one hundred forty million, seven hundred sixty-four thousand, forty-seven".