134391245 has 16 divisors (see below), whose sum is σ = 163983360. Its totient is φ = 105715584.

The previous prime is 134391241. The next prime is 134391263. The reversal of 134391245 is 542193431.

134391245 = 493² + 494² + ... + 805².

It is a cyclic number.

It is not a de Polignac number, because 134391245 - 2² = 134391241 is a prime.

It is a super-2 number, since 2×134391245² = 36122013465300050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134391241) 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 15 ways as a sum of consecutive naturals, for example, 123092 + ... + 124178.

It is an arithmetic number, because the mean of its divisors is an integer number (10248960).

Almost surely, 2^134391245 is an apocalyptic number.

It is an amenable number.

134391245 is a deficient number, since it is larger than the sum of its proper divisors (29592115).

134391245 is a wasteful number, since it uses less digits than its factorization.

134391245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its digits is 12960, while the sum is 32.

The square root of 134391245 is about 11592.7237955538. The cubic root of 134391245 is about 512.2205432628.

The spelling of 134391245 in words is "one hundred thirty-four million, three hundred ninety-one thousand, two hundred forty-five".