141530977 has 4 divisors (see below), whose sum is σ = 161749696. Its totient is φ = 121312260.

The previous prime is 141530971. The next prime is 141530999. The reversal of 141530977 is 779035141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 779035141 = 461 ⋅1689881.

It is a cyclic number.

It is not a de Polignac number, because 141530977 - 2⁷ = 141530849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141530971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10109349 + ... + 10109362.

It is an arithmetic number, because the mean of its divisors is an integer number (40437424).

Almost surely, 2^141530977 is an apocalyptic number.

It is an amenable number.

141530977 is a deficient number, since it is larger than the sum of its proper divisors (20218719).

141530977 is an equidigital number, since it uses as much as digits as its factorization.

141530977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20218718.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 141530977 is about 11896.6792425450. The cubic root of 141530977 is about 521.1353116395.

The spelling of 141530977 in words is "one hundred forty-one million, five hundred thirty thousand, nine hundred seventy-seven".