133745200 has 30 divisors (see below), whose sum is σ = 321323804. Its totient is φ = 53497920.

The previous prime is 133745197. The next prime is 133745203. The reversal of 133745200 is 2547331.

It is an interprime number because it is at equal distance from previous prime (133745197) and next prime (133745203).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (133745203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166782 + ... + 167581.

Almost surely, 2^133745200 is an apocalyptic number.

133745200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133745200 is an abundant number, since it is smaller than the sum of its proper divisors (187578604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133745200 is a wasteful number, since it uses less digits than its factorization.

133745200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334381 (or 334370 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 133745200 is about 11564.8259822619. The cubic root of 133745200 is about 511.3984430748.

The spelling of 133745200 in words is "one hundred thirty-three million, seven hundred forty-five thousand, two hundred".