141996987 has 24 divisors (see below), whose sum is σ = 224263728. Its totient is φ = 85862400.

The previous prime is 141996977. The next prime is 141996991. The reversal of 141996987 is 789699141.

It is not a de Polignac number, because 141996987 - 2⁷ = 141996859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141996977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50203 + ... + 52955.

It is an arithmetic number, because the mean of its divisors is an integer number (9344322).

Almost surely, 2^141996987 is an apocalyptic number.

141996987 is a deficient number, since it is larger than the sum of its proper divisors (82266741).

141996987 is a wasteful number, since it uses less digits than its factorization.

141996987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291 (or 3288 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 141996987 is about 11916.2488644707. The cubic root of 141996987 is about 521.7066546643.

It can be divided in two parts, 14 and 1996987, that added together give a triangular number (1997001 = T₁₉₉₈).

The spelling of 141996987 in words is "one hundred forty-one million, nine hundred ninety-six thousand, nine hundred eighty-seven".