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136026025 = 52231811307
BaseRepresentation
bin10000001101110…
…01011110101001
3100110221211121221
420012321132221
5234310313100
621255302041
73241126222
oct1006713651
9313854557
10136026025
116a868403
123967a921
1322248595
14140cc249
15be1e01a
hex81b97a9

136026025 has 24 divisors (see below), whose sum is σ = 177113664. Its totient is φ = 103435200.

The previous prime is 136026001. The next prime is 136026031. The reversal of 136026025 is 520620631.

136026025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136026025 - 211 = 136023977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

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, 103422 + ... + 104728.

It is an arithmetic number, because the mean of its divisors is an integer number (7379736).

Almost surely, 2136026025 is an apocalyptic number.

It is an amenable number.

136026025 is a deficient number, since it is larger than the sum of its proper divisors (41087639).

136026025 is a wasteful number, since it uses less digits than its factorization.

136026025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 136026025 is about 11663.0195489847. The cubic root of 136026025 is about 514.2891187863.

Adding to 136026025 its reverse (520620631), we get a palindrome (656646656).

The spelling of 136026025 in words is "one hundred thirty-six million, twenty-six thousand, twenty-five".

Divisors: 1 5 23 25 115 181 575 905 1307 4163 4525 6535 20815 30061 32675 104075 150305 236567 751525 1182835 5441041 5914175 27205205 136026025