141891520 has 56 divisors (see below), whose sum is σ = 357768144. Its totient is φ = 53415936.

The previous prime is 141891517. The next prime is 141891521. The reversal of 141891520 is 25198141.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141891521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7602 + ... + 18481.

Almost surely, 2^141891520 is an apocalyptic number.

141891520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141891520 is an abundant number, since it is smaller than the sum of its proper divisors (215876624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141891520 is a wasteful number, since it uses less digits than its factorization.

141891520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26117 (or 26107 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 141891520 is about 11911.8226984790. The cubic root of 141891520 is about 521.5774583456.

The spelling of 141891520 in words is "one hundred forty-one million, eight hundred ninety-one thousand, five hundred twenty".