135133450 has 24 divisors (see below), whose sum is σ = 254537280. Its totient is φ = 53367600.

The previous prime is 135133447. The next prime is 135133451. The reversal of 135133450 is 54331531.

It is a super-2 number, since 2×135133450² = 36522098617805000, which contains 22 as substring.

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 (135133451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13156 + ... + 21055.

It is an arithmetic number, because the mean of its divisors is an integer number (10605720).

Almost surely, 2^135133450 is an apocalyptic number.

135133450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135133450 is a deficient number, since it is larger than the sum of its proper divisors (119403830).

135133450 is a wasteful number, since it uses less digits than its factorization.

135133450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34302 (or 34297 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 135133450 is about 11624.6913937532. The cubic root of 135133450 is about 513.1617626247.

Adding to 135133450 its reverse (54331531), we get a palindrome (189464981).

The spelling of 135133450 in words is "one hundred thirty-five million, one hundred thirty-three thousand, four hundred fifty".