141991027 has 2 divisors, whose sum is σ = 141991028. Its totient is φ = 141991026.

The previous prime is 141991019. The next prime is 141991043. The reversal of 141991027 is 720199141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 141991027 - 2³ = 141991019 is a prime.

It is a super-2 number, since 2×141991027² = 40322903497029458, which contains 22 as substring.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 141990983 and 141991001.

It is not a weakly prime, because it can be changed into another prime (141991127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70995513 + 70995514.

It is an arithmetic number, because the mean of its divisors is an integer number (70995514).

Almost surely, 2^141991027 is an apocalyptic number.

141991027 is a deficient number, since it is larger than the sum of its proper divisors (1).

141991027 is an equidigital number, since it uses as much as digits as its factorization.

141991027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 141991027 is about 11915.9987831486. The cubic root of 141991027 is about 521.6993554128.

The spelling of 141991027 in words is "one hundred forty-one million, nine hundred ninety-one thousand, twenty-seven".