140000961 has 8 divisors (see below), whose sum is σ = 187505920. Its totient is φ = 92914992.

The previous prime is 140000953. The next prime is 140000969. The reversal of 140000961 is 169000041.

It is an interprime number because it is at equal distance from previous prime (140000953) and next prime (140000969).

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

It is not a de Polignac number, because 140000961 - 2³ = 140000953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140000969) 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, 103966 + ... + 105303.

It is an arithmetic number, because the mean of its divisors is an integer number (23438240).

Almost surely, 2^140000961 is an apocalyptic number.

It is an amenable number.

140000961 is a deficient number, since it is larger than the sum of its proper divisors (47504959).

140000961 is a wasteful number, since it uses less digits than its factorization.

140000961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209495.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 140000961 is about 11832.2001757915. The cubic root of 140000961 is about 519.2505982745.

The spelling of 140000961 in words is "one hundred forty million, nine hundred sixty-one", and thus it is an aban number.