136431366 has 16 divisors (see below), whose sum is σ = 273226800. Its totient is φ = 45416448.

The previous prime is 136431359. The next prime is 136431367. The reversal of 136431366 is 663134631.

It is a super-2 number, since 2×136431366² = 37227035257251912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136431367) 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, 10171 + ... + 19398.

It is an arithmetic number, because the mean of its divisors is an integer number (17076675).

Almost surely, 2^136431366 is an apocalyptic number.

136431366 is an abundant number, since it is smaller than the sum of its proper divisors (136795434).

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

136431366 is a wasteful number, since it uses less digits than its factorization.

136431366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30343.

The product of its digits is 23328, while the sum is 33.

The square root of 136431366 is about 11680.3838121870. The cubic root of 136431366 is about 514.7994518728.

Adding to 136431366 its reverse (663134631), we get a palindrome (799565997).

The spelling of 136431366 in words is "one hundred thirty-six million, four hundred thirty-one thousand, three hundred sixty-six".