133531727042 has 16 divisors (see below), whose sum is σ = 228953734272. Its totient is φ = 57217332480.

The previous prime is 133531727033. The next prime is 133531727051. The reversal of 133531727042 is 240727135331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133531727033) and next prime (133531727051).

It is a junction number, because it is equal to n+sod(n) for n = 133531726987 and 133531727005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 800318 + ... + 952665.

It is an arithmetic number, because the mean of its divisors is an integer number (14309608392).

Almost surely, 2^133531727042 is an apocalyptic number.

133531727042 is a deficient number, since it is larger than the sum of its proper divisors (95422007230).

133531727042 is a wasteful number, since it uses less digits than its factorization.

133531727042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758433.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 133531727042 in words is "one hundred thirty-three billion, five hundred thirty-one million, seven hundred twenty-seven thousand, forty-two".