141931787 has 2 divisors, whose sum is σ = 141931788. Its totient is φ = 141931786.

The previous prime is 141931739. The next prime is 141931789. The reversal of 141931787 is 787139141.

141931787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 141931787 - 2⁶ = 141931723 is a prime.

It is a super-2 number, since 2×141931787² = 40289264322026738, which contains 22 as substring.

Together with 141931789, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141931789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70965893 + 70965894.

It is an arithmetic number, because the mean of its divisors is an integer number (70965894).

Almost surely, 2^141931787 is an apocalyptic number.

141931787 is a deficient number, since it is larger than the sum of its proper divisors (1).

141931787 is an equidigital number, since it uses as much as digits as its factorization.

141931787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 141931787 is about 11913.5127901052. The cubic root of 141931787 is about 521.6267926847.

The spelling of 141931787 in words is "one hundred forty-one million, nine hundred thirty-one thousand, seven hundred eighty-seven".