140050289 has 8 divisors (see below), whose sum is σ = 146308032. Its totient is φ = 133806640.

The previous prime is 140050259. The next prime is 140050297. The reversal of 140050289 is 982050041.

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-140050289 is a prime.

It is a super-2 number, since 2×140050289² = 39228166897967042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140050259) 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, 20294 + ... + 26304.

It is an arithmetic number, because the mean of its divisors is an integer number (18288504).

Almost surely, 2^140050289 is an apocalyptic number.

It is an amenable number.

140050289 is a deficient number, since it is larger than the sum of its proper divisors (6257743).

140050289 is a wasteful number, since it uses less digits than its factorization.

140050289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 140050289 is about 11834.2844735117. The cubic root of 140050289 is about 519.3115754413.

The spelling of 140050289 in words is "one hundred forty million, fifty thousand, two hundred eighty-nine".