140747889 has 8 divisors (see below), whose sum is σ = 192736000. Its totient is φ = 91295856.

The previous prime is 140747881. The next prime is 140747897. The reversal of 140747889 is 988747041.

It is an interprime number because it is at equal distance from previous prime (140747881) and next prime (140747897).

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

It is not a de Polignac number, because 140747889 - 2³ = 140747881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140747881) 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, 633889 + ... + 634110.

It is an arithmetic number, because the mean of its divisors is an integer number (24092000).

Almost surely, 2^140747889 is an apocalyptic number.

It is an amenable number.

140747889 is a deficient number, since it is larger than the sum of its proper divisors (51988111).

140747889 is a wasteful number, since it uses less digits than its factorization.

140747889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268039.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 140747889 is about 11863.7215493284. The cubic root of 140747889 is about 520.1723898353.

The spelling of 140747889 in words is "one hundred forty million, seven hundred forty-seven thousand, eight hundred eighty-nine".