118315429 has 4 divisors (see below), whose sum is σ = 118446784. Its totient is φ = 118184076.

The previous prime is 118315423. The next prime is 118315471. The reversal of 118315429 is 924513811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118315429 - 2¹¹ = 118313381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118315394 and 118315403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118315423) 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, 64317 + ... + 66130.

It is an arithmetic number, because the mean of its divisors is an integer number (29611696).

Almost surely, 2^118315429 is an apocalyptic number.

It is an amenable number.

118315429 is a deficient number, since it is larger than the sum of its proper divisors (131355).

118315429 is an equidigital number, since it uses as much as digits as its factorization.

118315429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131354.

The product of its digits is 8640, while the sum is 34.

The square root of 118315429 is about 10877.2895980570. The cubic root of 118315429 is about 490.9234688384.

The spelling of 118315429 in words is "one hundred eighteen million, three hundred fifteen thousand, four hundred twenty-nine".