133401067 has 4 divisors (see below), whose sum is σ = 134625040. Its totient is φ = 132177096.

The previous prime is 133401031. The next prime is 133401077. The reversal of 133401067 is 760104331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133401067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133401077) 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, 611823 + ... + 612040.

It is an arithmetic number, because the mean of its divisors is an integer number (33656260).

Almost surely, 2^133401067 is an apocalyptic number.

133401067 is a deficient number, since it is larger than the sum of its proper divisors (1223973).

133401067 is a wasteful number, since it uses less digits than its factorization.

133401067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223972.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 133401067 is about 11549.9379652014. The cubic root of 133401067 is about 510.9594485305.

Adding to 133401067 its reverse (760104331), we get a palindrome (893505398).

It can be divided in two parts, 13340 and 1067, that multiplied together give a triangular number (14233780 = T₅₃₃₅).

The spelling of 133401067 in words is "one hundred thirty-three million, four hundred one thousand, sixty-seven".