136408532 has 12 divisors (see below), whose sum is σ = 257077716. Its totient is φ = 62957760.

The previous prime is 136408507. The next prime is 136408553. The reversal of 136408532 is 235804631.

136408532 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29203216 + 107205316 = 5404^2 + 10354^2 .

136408532 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311569 + ... + 1311672.

It is an arithmetic number, because the mean of its divisors is an integer number (21423143).

Almost surely, 2^136408532 is an apocalyptic number.

It is an amenable number.

136408532 is a deficient number, since it is larger than the sum of its proper divisors (120669184).

136408532 is a wasteful number, since it uses less digits than its factorization.

136408532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623258 (or 2623256 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 136408532 is about 11679.4063205285. The cubic root of 136408532 is about 514.7707302601.

The spelling of 136408532 in words is "one hundred thirty-six million, four hundred eight thousand, five hundred thirty-two".