11139570 has 48 divisors (see below), whose sum is σ = 31194072. Its totient is φ = 2741760.

The previous prime is 11139563. The next prime is 11139587. The reversal of 11139570 is 7593111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6640929 + 4498641 = 2577^2 + 2121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3591 + ... + 5930.

Almost surely, 2^11139570 is an apocalyptic number.

11139570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11139570 is an abundant number, since it is smaller than the sum of its proper divisors (20054502).

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

11139570 is a wasteful number, since it uses less digits than its factorization.

11139570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9547 (or 9544 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 11139570 is about 3337.5994367209. The cubic root of 11139570 is about 223.3346674508.

The spelling of 11139570 in words is "eleven million, one hundred thirty-nine thousand, five hundred seventy".