135494057 has 4 divisors (see below), whose sum is σ = 137402496. Its totient is φ = 133585620.

The previous prime is 135493987. The next prime is 135494069. The reversal of 135494057 is 750494531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 135494057 - 2⁸ = 135493801 is a prime.

It is a super-3 number, since 3×135494057³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135494057.

It is not an unprimeable number, because it can be changed into a prime (135494077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954113 + ... + 954254.

It is an arithmetic number, because the mean of its divisors is an integer number (34350624).

Almost surely, 2^135494057 is an apocalyptic number.

It is an amenable number.

135494057 is a deficient number, since it is larger than the sum of its proper divisors (1908439).

135494057 is an equidigital number, since it uses as much as digits as its factorization.

135494057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908438.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 135494057 is about 11640.1914503156. The cubic root of 135494057 is about 513.6178188764.

The spelling of 135494057 in words is "one hundred thirty-five million, four hundred ninety-four thousand, fifty-seven".