135468403 has 4 divisors (see below), whose sum is σ = 154821040. Its totient is φ = 116115768.

The previous prime is 135468383. The next prime is 135468409. The reversal of 135468403 is 304864531.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304864531 = 7457 ⋅40883.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135468403 is a prime.

It is a super-2 number, since 2×135468403² = 36703376422740818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135468409) 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, 9676308 + ... + 9676321.

It is an arithmetic number, because the mean of its divisors is an integer number (38705260).

Almost surely, 2^135468403 is an apocalyptic number.

135468403 is a deficient number, since it is larger than the sum of its proper divisors (19352637).

135468403 is an equidigital number, since it uses as much as digits as its factorization.

135468403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19352636.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 135468403 is about 11639.0894403299. The cubic root of 135468403 is about 513.5854012597.

The spelling of 135468403 in words is "one hundred thirty-five million, four hundred sixty-eight thousand, four hundred three".