961140307 has 8 divisors (see below), whose sum is σ = 1015626240. Its totient is φ = 907712520.

The previous prime is 961140287. The next prime is 961140317. The reversal of 961140307 is 703041169.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-961140307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961140317) 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, 262669 + ... + 266302.

It is an arithmetic number, because the mean of its divisors is an integer number (126953280).

Almost surely, 2^961140307 is an apocalyptic number.

961140307 is a deficient number, since it is larger than the sum of its proper divisors (54485933).

961140307 is a wasteful number, since it uses less digits than its factorization.

961140307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529073.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 961140307 is about 31002.2629335344. The cubic root of 961140307 is about 986.8752639195.

The spelling of 961140307 in words is "nine hundred sixty-one million, one hundred forty thousand, three hundred seven".