913271139 has 16 divisors (see below), whose sum is σ = 1475994240. Its totient is φ = 553497480.

The previous prime is 913271131. The next prime is 913271153. The reversal of 913271139 is 931172319.

It is a happy number.

It is not a de Polignac number, because 913271139 - 2³ = 913271131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (913271131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1537197 + ... + 1537790.

It is an arithmetic number, because the mean of its divisors is an integer number (92249640).

Almost surely, 2^913271139 is an apocalyptic number.

913271139 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

913271139 is a deficient number, since it is larger than the sum of its proper divisors (562723101).

913271139 is a wasteful number, since it uses less digits than its factorization.

913271139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3075007 (or 3075001 counting only the distinct ones).

The product of its digits is 10206, while the sum is 36.

The square root of 913271139 is about 30220.3762220129. The cubic root of 913271139 is about 970.2118568675.

The spelling of 913271139 in words is "nine hundred thirteen million, two hundred seventy-one thousand, one hundred thirty-nine".