940091507 has 4 divisors (see below), whose sum is σ = 941364360. Its totient is φ = 938818656.

The previous prime is 940091459. The next prime is 940091527. The reversal of 940091507 is 705190049.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 940091507 - 2¹² = 940087411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940091527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635318 + ... + 636795.

It is an arithmetic number, because the mean of its divisors is an integer number (235341090).

Almost surely, 2^940091507 is an apocalyptic number.

940091507 is a deficient number, since it is larger than the sum of its proper divisors (1272853).

940091507 is a wasteful number, since it uses less digits than its factorization.

940091507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272852.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 940091507 is about 30660.9117118197. The cubic root of 940091507 is about 979.6178945586.

The spelling of 940091507 in words is "nine hundred forty million, ninety-one thousand, five hundred seven".