141977919 has 32 divisors (see below), whose sum is σ = 203572224. Its totient is φ = 87816960.

The previous prime is 141977909. The next prime is 141977933. The reversal of 141977919 is 919779141.

It is not a de Polignac number, because 141977919 - 2⁵ = 141977887 is a prime.

It is a super-2 number, since 2×141977919² = 40315458967141122, which contains 22 as substring.

Its product of digits (142884) is a multiple of the sum of its prime divisors (567).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141977909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357429 + ... + 357825.

It is an arithmetic number, because the mean of its divisors is an integer number (6361632).

Almost surely, 2^141977919 is an apocalyptic number.

141977919 is a deficient number, since it is larger than the sum of its proper divisors (61594305).

141977919 is a wasteful number, since it uses less digits than its factorization.

141977919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567.

The product of its digits is 142884, while the sum is 48.

The square root of 141977919 is about 11915.4487536139. The cubic root of 141977919 is about 521.6833012396.

The spelling of 141977919 in words is "one hundred forty-one million, nine hundred seventy-seven thousand, nine hundred nineteen".