135845457 has 8 divisors (see below), whose sum is σ = 197593440. Its totient is φ = 82330560.

The previous prime is 135845431. The next prime is 135845473. The reversal of 135845457 is 754548531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135845457 - 2⁶ = 135845393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135845257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058232 + ... + 2058297.

It is an arithmetic number, because the mean of its divisors is an integer number (24699180).

Almost surely, 2^135845457 is an apocalyptic number.

It is an amenable number.

135845457 is a deficient number, since it is larger than the sum of its proper divisors (61747983).

135845457 is a wasteful number, since it uses less digits than its factorization.

135845457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116543.

The product of its digits is 336000, while the sum is 42.

The square root of 135845457 is about 11655.2759298096. The cubic root of 135845457 is about 514.0614533356.

The spelling of 135845457 in words is "one hundred thirty-five million, eight hundred forty-five thousand, four hundred fifty-seven".