116142649 has 16 divisors (see below), whose sum is σ = 140049280. Its totient is φ = 94089600.

The previous prime is 116142619. The next prime is 116142671. The reversal of 116142649 is 946241611.

116142649 = T₃₄₈₇ + T₃₄₈₈ + ... + T₃₅₀₅.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 116142649 - 2²⁵ = 82588217 is a prime.

It is a super-2 number, since 2×116142649² = 26978229833474402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (116142619) 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, 79207 + ... + 80659.

It is an arithmetic number, because the mean of its divisors is an integer number (8753080).

Almost surely, 2^116142649 is an apocalyptic number.

116142649 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

116142649 is a deficient number, since it is larger than the sum of its proper divisors (23906631).

116142649 is a wasteful number, since it uses less digits than its factorization.

116142649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080.

The product of its digits is 10368, while the sum is 34.

The square root of 116142649 is about 10776.9498931748. The cubic root of 116142649 is about 487.8997277294.

The spelling of 116142649 in words is "one hundred sixteen million, one hundred forty-two thousand, six hundred forty-nine".