136436530 has 16 divisors (see below), whose sum is σ = 258511680. Its totient is φ = 51702192.

The previous prime is 136436491. The next prime is 136436537. The reversal of 136436530 is 35634631.

It is a super-2 number, since 2×136436530² = 37229853436881800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 136436492 and 136436501.

It is not an unprimeable number, because it can be changed into a prime (136436537) 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, 358854 + ... + 359233.

It is an arithmetic number, because the mean of its divisors is an integer number (16156980).

Almost surely, 2^136436530 is an apocalyptic number.

136436530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

136436530 is a deficient number, since it is larger than the sum of its proper divisors (122075150).

136436530 is a wasteful number, since it uses less digits than its factorization.

136436530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718113.

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

The square root of 136436530 is about 11680.6048644751. The cubic root of 136436530 is about 514.8059469355.

The spelling of 136436530 in words is "one hundred thirty-six million, four hundred thirty-six thousand, five hundred thirty".