136856492 has 6 divisors (see below), whose sum is σ = 239498868. Its totient is φ = 68428244.

The previous prime is 136856471. The next prime is 136856497. The reversal of 136856492 is 294658631.

136856492 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

136856492 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (136856497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17107058 + ... + 17107065.

It is an arithmetic number, because the mean of its divisors is an integer number (39916478).

Almost surely, 2^136856492 is an apocalyptic number.

It is an amenable number.

136856492 is a deficient number, since it is larger than the sum of its proper divisors (102642376).

136856492 is a wasteful number, since it uses less digits than its factorization.

136856492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34214127 (or 34214125 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

The square root of 136856492 is about 11698.5679465480. The cubic root of 136856492 is about 515.3336098423. Note that the first 3 decimals are identical.

The spelling of 136856492 in words is "one hundred thirty-six million, eight hundred fifty-six thousand, four hundred ninety-two".