116400019 has 2 divisors, whose sum is σ = 116400020. Its totient is φ = 116400018.

The previous prime is 116400007. The next prime is 116400029. The reversal of 116400019 is 910004611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 116400019 - 2²³ = 108011411 is a prime.

It is a super-2 number, since 2×116400019² = 27097928846400722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (116400029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58200009 + 58200010.

It is an arithmetic number, because the mean of its divisors is an integer number (58200010).

Almost surely, 2^116400019 is an apocalyptic number.

116400019 is a deficient number, since it is larger than the sum of its proper divisors (1).

116400019 is an equidigital number, since it uses as much as digits as its factorization.

116400019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 116400019 is about 10788.8840479449. The cubic root of 116400019 is about 488.2598541597.

The spelling of 116400019 in words is "one hundred sixteen million, four hundred thousand, nineteen".