475756138 has 32 divisors (see below), whose sum is σ = 861073920. Its totient is φ = 194218560.

The previous prime is 475756121. The next prime is 475756159. The reversal of 475756138 is 831657574.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11898 + ... + 33061.

It is an arithmetic number, because the mean of its divisors is an integer number (26908560).

Almost surely, 2^475756138 is an apocalyptic number.

475756138 is a deficient number, since it is larger than the sum of its proper divisors (385317782).

475756138 is a wasteful number, since it uses less digits than its factorization.

475756138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45022.

The product of its digits is 705600, while the sum is 46.

The square root of 475756138 is about 21811.8348150723. The cubic root of 475756138 is about 780.6591721264.

The spelling of 475756138 in words is "four hundred seventy-five million, seven hundred fifty-six thousand, one hundred thirty-eight".