133102387 has 8 divisors (see below), whose sum is σ = 145893312. Its totient is φ = 120426600.

The previous prime is 133102381. The next prime is 133102393. The reversal of 133102387 is 783201331.

It is an interprime number because it is at equal distance from previous prime (133102381) and next prime (133102393).

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

It is a cyclic number.

It is not a de Polignac number, because 133102387 - 2¹⁵ = 133069619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133102381) 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, 26353 + ... + 30994.

It is an arithmetic number, because the mean of its divisors is an integer number (18236664).

Almost surely, 2^133102387 is an apocalyptic number.

133102387 is a deficient number, since it is larger than the sum of its proper divisors (12790925).

133102387 is a wasteful number, since it uses less digits than its factorization.

133102387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57569.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 133102387 is about 11537.0007800988. Note that the first 3 decimals coincide. The cubic root of 133102387 is about 510.5778238755.

The spelling of 133102387 in words is "one hundred thirty-three million, one hundred two thousand, three hundred eighty-seven".