141989938 has 4 divisors (see below), whose sum is σ = 212984910. Its totient is φ = 70994968.

The previous prime is 141989909. The next prime is 141989993. The reversal of 141989938 is 839989141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 139546969 + 2442969 = 11813^2 + 1563^2 .

It is a super-2 number, since 2×141989938² = 40322284986487688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35497483 + ... + 35497486.

Almost surely, 2^141989938 is an apocalyptic number.

141989938 is a deficient number, since it is larger than the sum of its proper divisors (70994972).

141989938 is an equidigital number, since it uses as much as digits as its factorization.

141989938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70994971.

The product of its digits is 559872, while the sum is 52.

The square root of 141989938 is about 11915.9530881923. The cubic root of 141989938 is about 521.6980216852.

The spelling of 141989938 in words is "one hundred forty-one million, nine hundred eighty-nine thousand, nine hundred thirty-eight".