116420146 has 4 divisors (see below), whose sum is σ = 174630222. Its totient is φ = 58210072.

The previous prime is 116420137. The next prime is 116420149. The reversal of 116420146 is 641024611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 99700225 + 16719921 = 9985^2 + 4089^2 .

It is a super-3 number, since 3×116420146³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 116420146.

It is not an unprimeable number, because it can be changed into a prime (116420149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29105035 + ... + 29105038.

Almost surely, 2^116420146 is an apocalyptic number.

116420146 is a deficient number, since it is larger than the sum of its proper divisors (58210076).

116420146 is an equidigital number, since it uses as much as digits as its factorization.

116420146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58210075.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 116420146 is about 10789.8167732358. The cubic root of 116420146 is about 488.2879945896.

Adding to 116420146 its reverse (641024611), we get a palindrome (757444757).

The spelling of 116420146 in words is "one hundred sixteen million, four hundred twenty thousand, one hundred forty-six".