141606921 has 16 divisors (see below), whose sum is σ = 191782080. Its totient is φ = 92928000.

The previous prime is 141606917. The next prime is 141606961. The reversal of 141606921 is 129606141.

It is a happy number.

It is not a de Polignac number, because 141606921 - 2² = 141606917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (141606961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65961 + ... + 68073.

It is an arithmetic number, because the mean of its divisors is an integer number (11986380).

Almost surely, 2^141606921 is an apocalyptic number.

It is an amenable number.

141606921 is a deficient number, since it is larger than the sum of its proper divisors (50175159).

141606921 is a wasteful number, since it uses less digits than its factorization.

141606921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 141606921 is about 11899.8706295489. The cubic root of 141606921 is about 521.2285068400.

The spelling of 141606921 in words is "one hundred forty-one million, six hundred six thousand, nine hundred twenty-one".