119158381 has 2 divisors, whose sum is σ = 119158382. Its totient is φ = 119158380.

The previous prime is 119158373. The next prime is 119158397. The reversal of 119158381 is 183851911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119006281 + 152100 = 10909^2 + 390^2 .

It is a cyclic number.

It is not a de Polignac number, because 119158381 - 2³ = 119158373 is a prime.

It is a super-2 number, since 2×119158381² = 28397439525082322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 119158381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119156381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59579190 + 59579191.

It is an arithmetic number, because the mean of its divisors is an integer number (59579191).

Almost surely, 2^119158381 is an apocalyptic number.

It is an amenable number.

119158381 is a deficient number, since it is larger than the sum of its proper divisors (1).

119158381 is an equidigital number, since it uses as much as digits as its factorization.

119158381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 37.

The square root of 119158381 is about 10915.9690820376. The cubic root of 119158381 is about 492.0865913315.

The spelling of 119158381 in words is "one hundred nineteen million, one hundred fifty-eight thousand, three hundred eighty-one".