118641534 has 32 divisors (see below), whose sum is σ = 259372800. Its totient is φ = 35880000.

The previous prime is 118641533. The next prime is 118641541. The reversal of 118641534 is 435146811.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 118641495 and 118641504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118641533) 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, 38034 + ... + 41034.

It is an arithmetic number, because the mean of its divisors is an integer number (8105400).

Almost surely, 2^118641534 is an apocalyptic number.

118641534 is an abundant number, since it is smaller than the sum of its proper divisors (140731266).

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

118641534 is a wasteful number, since it uses less digits than its factorization.

118641534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616.

The product of its digits is 11520, while the sum is 33.

The square root of 118641534 is about 10892.2694604935. The cubic root of 118641534 is about 491.3740883948.

The spelling of 118641534 in words is "one hundred eighteen million, six hundred forty-one thousand, five hundred thirty-four".