1064139192 has 24 divisors (see below), whose sum is σ = 2882043840. Its totient is φ = 354713040.

The previous prime is 1064139187. The next prime is 1064139211. The reversal of 1064139192 is 2919314601.

It is a happy number.

1064139192 is a `hidden beast` number, since 1 + 0 + 641 + 3 + 9 + 1 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1064139192² = 2264784439900825728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7389784 + ... + 7389927.

It is an arithmetic number, because the mean of its divisors is an integer number (120085160).

Almost surely, 2^1064139192 is an apocalyptic number.

1064139192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1064139192 is an abundant number, since it is smaller than the sum of its proper divisors (1817904648).

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

1064139192 is a wasteful number, since it uses less digits than its factorization.

1064139192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14779723 (or 14779716 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1064139192 is about 32621.1463930991. The cubic root of 1064139192 is about 1020.9382600789.

The spelling of 1064139192 in words is "one billion, sixty-four million, one hundred thirty-nine thousand, one hundred ninety-two".