136430403 has 16 divisors (see below), whose sum is σ = 184321536. Its totient is φ = 89752320.

The previous prime is 136430387. The next prime is 136430407. The reversal of 136430403 is 304034631.

It is not a de Polignac number, because 136430403 - 2⁴ = 136430387 is a prime.

It is a super-2 number, since 2×136430403² = 37226509725484818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136430407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183250 + ... + 183992.

It is an arithmetic number, because the mean of its divisors is an integer number (11520096).

Almost surely, 2^136430403 is an apocalyptic number.

136430403 is a deficient number, since it is larger than the sum of its proper divisors (47891133).

136430403 is an equidigital number, since it uses as much as digits as its factorization.

136430403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 136430403 is about 11680.3425891538. The cubic root of 136430403 is about 514.7982406336.

The spelling of 136430403 in words is "one hundred thirty-six million, four hundred thirty thousand, four hundred three".