13136235 has 16 divisors (see below), whose sum is σ = 24020736. Its totient is φ = 6005088.

The previous prime is 13136231. The next prime is 13136251. The reversal of 13136235 is 53263131.

It is a happy number.

13136235 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13136235 - 2² = 13136231 is a prime.

It is a super-3 number, since 3×13136235³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13136231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62449 + ... + 62658.

It is an arithmetic number, because the mean of its divisors is an integer number (1501296).

Almost surely, 2^13136235 is an apocalyptic number.

13136235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13136235 is a deficient number, since it is larger than the sum of its proper divisors (10884501).

13136235 is a wasteful number, since it uses less digits than its factorization.

13136235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125122.

The product of its digits is 1620, while the sum is 24.

The square root of 13136235 is about 3624.3944321776. The cubic root of 13136235 is about 235.9519855878.

Adding to 13136235 its reverse (53263131), we get a palindrome (66399366).

The spelling of 13136235 in words is "thirteen million, one hundred thirty-six thousand, two hundred thirty-five".