133401351 has 8 divisors (see below), whose sum is σ = 182005120. Its totient is φ = 86865912.

The previous prime is 133401349. The next prime is 133401353. The reversal of 133401351 is 153104331.

It is an interprime number because it is at equal distance from previous prime (133401349) and next prime (133401353).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133401351 - 2¹ = 133401349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133401353) 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, 516931 + ... + 517188.

It is an arithmetic number, because the mean of its divisors is an integer number (22750640).

Almost surely, 2^133401351 is an apocalyptic number.

133401351 is a deficient number, since it is larger than the sum of its proper divisors (48603769).

133401351 is a wasteful number, since it uses less digits than its factorization.

133401351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034165.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 133401351 is about 11549.9502596332. The cubic root of 133401351 is about 510.9598111272.

Adding to 133401351 its reverse (153104331), we get a palindrome (286505682).

The spelling of 133401351 in words is "one hundred thirty-three million, four hundred one thousand, three hundred fifty-one".