136854897 has 16 divisors (see below), whose sum is σ = 188123712. Its totient is φ = 88430400.

The previous prime is 136854889. The next prime is 136854901. The reversal of 136854897 is 798458631.

It is not a de Polignac number, because 136854897 - 2³ = 136854889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136854847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28522 + ... + 32972.

It is an arithmetic number, because the mean of its divisors is an integer number (11757732).

Almost surely, 2^136854897 is an apocalyptic number.

It is an amenable number.

136854897 is a deficient number, since it is larger than the sum of its proper divisors (51268815).

136854897 is a wasteful number, since it uses less digits than its factorization.

136854897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768.

The product of its digits is 1451520, while the sum is 51.

The square root of 136854897 is about 11698.4997756123. The cubic root of 136854897 is about 515.3316078418.

It can be divided in two parts, 1368 and 54897, that added together give a palindrome (56265).

The spelling of 136854897 in words is "one hundred thirty-six million, eight hundred fifty-four thousand, eight hundred ninety-seven".