940781534 has 24 divisors (see below), whose sum is σ = 1772715504. Its totient is φ = 366537600.

The previous prime is 940781519. The next prime is 940781539. The reversal of 940781534 is 435187049.

It is a junction number, because it is equal to n+sod(n) for n = 940781491 and 940781500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940781539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275987 + ... + 279374.

It is an arithmetic number, because the mean of its divisors is an integer number (73863146).

Almost surely, 2^940781534 is an apocalyptic number.

940781534 is a deficient number, since it is larger than the sum of its proper divisors (831933970).

940781534 is a wasteful number, since it uses less digits than its factorization.

940781534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555392 (or 555381 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 940781534 is about 30672.1621996233. The cubic root of 940781534 is about 979.8575157281.

The spelling of 940781534 in words is "nine hundred forty million, seven hundred eighty-one thousand, five hundred thirty-four".