141338921 has 2 divisors, whose sum is σ = 141338922. Its totient is φ = 141338920.

The previous prime is 141338903. The next prime is 141338959. The reversal of 141338921 is 129833141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72863296 + 68475625 = 8536^2 + 8275^2 .

It is a cyclic number.

It is not a de Polignac number, because 141338921 - 2¹⁴ = 141322537 is a prime.

It is not a weakly prime, because it can be changed into another prime (141338971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70669460 + 70669461.

It is an arithmetic number, because the mean of its divisors is an integer number (70669461).

Almost surely, 2^141338921 is an apocalyptic number.

It is an amenable number.

141338921 is a deficient number, since it is larger than the sum of its proper divisors (1).

141338921 is an equidigital number, since it uses as much as digits as its factorization.

141338921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 141338921 is about 11888.6046700191. The cubic root of 141338921 is about 520.8994799459.

The spelling of 141338921 in words is "one hundred forty-one million, three hundred thirty-eight thousand, nine hundred twenty-one".