107149391 has 2 divisors, whose sum is σ = 107149392. Its totient is φ = 107149390.

The previous prime is 107149333. The next prime is 107149397. The reversal of 107149391 is 193941701.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 107149391 - 2¹⁰ = 107148367 is a prime.

It is a super-2 number, since 2×107149391² = 22961983983341762, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107149397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53574695 + 53574696.

It is an arithmetic number, because the mean of its divisors is an integer number (53574696).

Almost surely, 2^107149391 is an apocalyptic number.

107149391 is a deficient number, since it is larger than the sum of its proper divisors (1).

107149391 is an equidigital number, since it uses as much as digits as its factorization.

107149391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 107149391 is about 10351.2990006086. The cubic root of 107149391 is about 474.9667803176.

The spelling of 107149391 in words is "one hundred seven million, one hundred forty-nine thousand, three hundred ninety-one".