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135570 = 2354519
BaseRepresentation
bin100001000110010010
320212222010
4201012102
513314240
62523350
71103151
oct410622
9225863
10135570
1192946
1266556
1349926
1437598
152a280
hex21192

135570 has 16 divisors (see below), whose sum is σ = 325440. Its totient is φ = 36144.

The previous prime is 135559. The next prime is 135571. The reversal of 135570 is 75531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135571) by changing a digit.

135570 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2230 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (20340).

2135570 is an apocalyptic number.

135570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135570 is an abundant number, since it is smaller than the sum of its proper divisors (189870).

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

135570 is a wasteful number, since it uses less digits than its factorization.

135570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529.

The product of its (nonzero) digits is 525, while the sum is 21.

The square root of 135570 is about 368.1983161287. The cubic root of 135570 is about 51.3713760090.

The spelling of 135570 in words is "one hundred thirty-five thousand, five hundred seventy".