999141436 has 12 divisors (see below), whose sum is σ = 1824519312. Its totient is φ = 477850208.

The previous prime is 999141433. The next prime is 999141449. The reversal of 999141436 is 634141999.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999141433) 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, 5430025 + ... + 5430208.

It is an arithmetic number, because the mean of its divisors is an integer number (152043276).

Almost surely, 2^999141436 is an apocalyptic number.

It is an amenable number.

999141436 is a deficient number, since it is larger than the sum of its proper divisors (825377876).

999141436 is a wasteful number, since it uses less digits than its factorization.

999141436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10860260 (or 10860258 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 999141436 is about 31609.1985978765. The cubic root of 999141436 is about 999.7137300573.

The spelling of 999141436 in words is "nine hundred ninety-nine million, one hundred forty-one thousand, four hundred thirty-six".