136997468 has 12 divisors (see below), whose sum is σ = 241334352. Its totient is φ = 68044800.

The previous prime is 136997461. The next prime is 136997473. The reversal of 136997468 is 864799631.

136997468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×136997468² = 37536612476822048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136997461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112805 + ... + 114012.

It is an arithmetic number, because the mean of its divisors is an integer number (20111196).

Almost surely, 2^136997468 is an apocalyptic number.

It is an amenable number.

136997468 is a deficient number, since it is larger than the sum of its proper divisors (104336884).

136997468 is a wasteful number, since it uses less digits than its factorization.

136997468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226972 (or 226970 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 136997468 is about 11704.5917485404. The cubic root of 136997468 is about 515.5104976628.

The spelling of 136997468 in words is "one hundred thirty-six million, nine hundred ninety-seven thousand, four hundred sixty-eight".