116138534 has 8 divisors (see below), whose sum is σ = 176661648. Its totient is φ = 57251320.

The previous prime is 116138489. The next prime is 116138563. The reversal of 116138534 is 435831611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 116138534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408797 + ... + 409080.

It is an arithmetic number, because the mean of its divisors is an integer number (22082706).

Almost surely, 2^116138534 is an apocalyptic number.

116138534 is a deficient number, since it is larger than the sum of its proper divisors (60523114).

116138534 is an equidigital number, since it uses as much as digits as its factorization.

116138534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817950.

The product of its digits is 8640, while the sum is 32.

The square root of 116138534 is about 10776.7589747567. The cubic root of 116138534 is about 487.8939654732.

The spelling of 116138534 in words is "one hundred sixteen million, one hundred thirty-eight thousand, five hundred thirty-four".