133434412402 has 4 divisors (see below), whose sum is σ = 200151618606. Its totient is φ = 66717206200.

The previous prime is 133434412379. The next prime is 133434412457. The reversal of 133434412402 is 204214434331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204214434331 = 211 ⋅967840921.

It can be written as a sum of positive squares in only one way, i.e., 120604092961 + 12830319441 = 347281^2 + 113271^2 .

It is a super-2 number, since 2×133434412402² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33358603099 + ... + 33358603102.

Almost surely, 2^133434412402 is an apocalyptic number.

133434412402 is a deficient number, since it is larger than the sum of its proper divisors (66717206204).

133434412402 is an equidigital number, since it uses as much as digits as its factorization.

133434412402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66717206203.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 133434412402 its reverse (204214434331), we get a palindrome (337648846733).

The spelling of 133434412402 in words is "one hundred thirty-three billion, four hundred thirty-four million, four hundred twelve thousand, four hundred two".