501906136 has 16 divisors (see below), whose sum is σ = 942474240. Its totient is φ = 250579680.

The previous prime is 501906121. The next prime is 501906137. The reversal of 501906136 is 631609105.

It is a junction number, because it is equal to n+sod(n) for n = 501906098 and 501906107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501906137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40920 + ... + 51751.

It is an arithmetic number, because the mean of its divisors is an integer number (58904640).

Almost surely, 2^501906136 is an apocalyptic number.

It is an amenable number.

501906136 is a deficient number, since it is larger than the sum of its proper divisors (440568104).

501906136 is a wasteful number, since it uses less digits than its factorization.

501906136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93354 (or 93350 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 501906136 is about 22403.2617268111. The cubic root of 501906136 is about 794.7078477688.

The spelling of 501906136 in words is "five hundred one million, nine hundred six thousand, one hundred thirty-six".