133031520142 has 16 divisors (see below), whose sum is σ = 206509181760. Its totient is φ = 64196925408.

The previous prime is 133031520119. The next prime is 133031520179. The reversal of 133031520142 is 241025130331.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300198 + ... + 596809.

It is an arithmetic number, because the mean of its divisors is an integer number (12906823860).

Almost surely, 2^133031520142 is an apocalyptic number.

133031520142 is a deficient number, since it is larger than the sum of its proper divisors (73477661618).

133031520142 is a wasteful number, since it uses less digits than its factorization.

133031520142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899595.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 133031520142 its reverse (241025130331), we get a palindrome (374056650473).

The spelling of 133031520142 in words is "one hundred thirty-three billion, thirty-one million, five hundred twenty thousand, one hundred forty-two".