118900913 has 2 divisors, whose sum is σ = 118900914. Its totient is φ = 118900912.

The previous prime is 118900909. The next prime is 118900919. The reversal of 118900913 is 319009811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117137329 + 1763584 = 10823^2 + 1328^2 .

It is a cyclic number.

It is not a de Polignac number, because 118900913 - 2² = 118900909 is a prime.

It is a super-2 number, since 2×118900913² = 28274854224467138, which contains 22 as substring.

It is equal to p_6782630 and since 118900913 and 6782630 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118900913.

It is not a weakly prime, because it can be changed into another prime (118900919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59450456 + 59450457.

It is an arithmetic number, because the mean of its divisors is an integer number (59450457).

Almost surely, 2^118900913 is an apocalyptic number.

It is an amenable number.

118900913 is a deficient number, since it is larger than the sum of its proper divisors (1).

118900913 is an equidigital number, since it uses as much as digits as its factorization.

118900913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 118900913 is about 10904.1695236272. The cubic root of 118900913 is about 491.7319151683.

The spelling of 118900913 in words is "one hundred eighteen million, nine hundred thousand, nine hundred thirteen".