136472213 has 2 divisors, whose sum is σ = 136472214. Its totient is φ = 136472212.

The previous prime is 136472201. The next prime is 136472221. The reversal of 136472213 is 312274631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89453764 + 47018449 = 9458^2 + 6857^2 .

It is an emirp because it is prime and its reverse (312274631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136472213 - 2⁸ = 136471957 is a prime.

It is a super-2 number, since 2×136472213² = 37249329842234738, which contains 22 as substring.

It is equal to p_7724009 and since 136472213 and 7724009 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136472813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68236106 + 68236107.

It is an arithmetic number, because the mean of its divisors is an integer number (68236107).

Almost surely, 2^136472213 is an apocalyptic number.

It is an amenable number.

136472213 is a deficient number, since it is larger than the sum of its proper divisors (1).

136472213 is an equidigital number, since it uses as much as digits as its factorization.

136472213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 29.

The square root of 136472213 is about 11682.1322112019. The cubic root of 136472213 is about 514.8508230386.

The spelling of 136472213 in words is "one hundred thirty-six million, four hundred seventy-two thousand, two hundred thirteen".