135459974 has 8 divisors (see below), whose sum is σ = 218820000. Its totient is φ = 62519976.

The previous prime is 135459971. The next prime is 135460001. The reversal of 135459974 is 479954531.

135459974 = 3222² + 3223² + ... + 3234².

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135459971) 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 3 ways as a sum of consecutive naturals, for example, 2604974 + ... + 2605025.

It is an arithmetic number, because the mean of its divisors is an integer number (27352500).

Almost surely, 2^135459974 is an apocalyptic number.

135459974 is a deficient number, since it is larger than the sum of its proper divisors (83360026).

135459974 is a wasteful number, since it uses less digits than its factorization.

135459974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210014.

The product of its digits is 680400, while the sum is 47.

The square root of 135459974 is about 11638.7273359247. The cubic root of 135459974 is about 513.5747490804.

The spelling of 135459974 in words is "one hundred thirty-five million, four hundred fifty-nine thousand, nine hundred seventy-four".