136530436 has 24 divisors (see below), whose sum is σ = 273522816. Its totient is φ = 58414080.

The previous prime is 136530431. The next prime is 136530437. The reversal of 136530436 is 634035631.

It is a super-3 number, since 3×136530436³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136530398 and 136530407.

It is not an unprimeable number, because it can be changed into a prime (136530431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14145 + ... + 21751.

It is an arithmetic number, because the mean of its divisors is an integer number (11396784).

Almost surely, 2^136530436 is an apocalyptic number.

It is an amenable number.

136530436 is an abundant number, since it is smaller than the sum of its proper divisors (136992380).

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

136530436 is a wasteful number, since it uses less digits than its factorization.

136530436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8259 (or 8257 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 136530436 is about 11684.6239135027. The cubic root of 136530436 is about 514.9240293882.

The spelling of 136530436 in words is "one hundred thirty-six million, five hundred thirty thousand, four hundred thirty-six".