117213654 has 16 divisors (see below), whose sum is σ = 234630000. Its totient is φ = 39037440.

The previous prime is 117213653. The next prime is 117213659. The reversal of 117213654 is 456312711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117213653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327 + ... + 15314.

It is an arithmetic number, because the mean of its divisors is an integer number (14664375).

Almost surely, 2^117213654 is an apocalyptic number.

117213654 is an abundant number, since it is smaller than the sum of its proper divisors (117416346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117213654 is a wasteful number, since it uses less digits than its factorization.

117213654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16895.

The product of its digits is 5040, while the sum is 30.

The square root of 117213654 is about 10826.5254814275. The cubic root of 117213654 is about 489.3948575753.

The spelling of 117213654 in words is "one hundred seventeen million, two hundred thirteen thousand, six hundred fifty-four".