133142240402 has 16 divisors (see below), whose sum is σ = 206612112960. Its totient is φ = 64271804688.

The previous prime is 133142240401. The next prime is 133142240417. The reversal of 133142240402 is 204042241331.

It is a super-2 number, since 2×133142240402² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133142240401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109123 + ... + 1223289.

It is an arithmetic number, because the mean of its divisors is an integer number (12913257060).

Almost surely, 2^133142240402 is an apocalyptic number.

133142240402 is a deficient number, since it is larger than the sum of its proper divisors (73469872558).

133142240402 is a wasteful number, since it uses less digits than its factorization.

133142240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134305.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 133142240402 its reverse (204042241331), we get a palindrome (337184481733).

The spelling of 133142240402 in words is "one hundred thirty-three billion, one hundred forty-two million, two hundred forty thousand, four hundred two".