905460138 has 48 divisors (see below), whose sum is σ = 2176480800. Its totient is φ = 269727840.

The previous prime is 905460131. The next prime is 905460167. The reversal of 905460138 is 831064509.

It is not an unprimeable number, because it can be changed into a prime (905460131) 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 23 ways as a sum of consecutive naturals, for example, 27073 + ... + 50436.

It is an arithmetic number, because the mean of its divisors is an integer number (45343350).

Almost surely, 2^905460138 is an apocalyptic number.

905460138 is an abundant number, since it is smaller than the sum of its proper divisors (1271020662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

905460138 is a wasteful number, since it uses less digits than its factorization.

905460138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77587 (or 77584 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 905460138 is about 30090.8646934580. The cubic root of 905460138 is about 967.4379328411.

The spelling of 905460138 in words is "nine hundred five million, four hundred sixty thousand, one hundred thirty-eight".