141557138 has 18 divisors (see below), whose sum is σ = 218168391. Its totient is φ = 68885644.

The previous prime is 141557137. The next prime is 141557189. The reversal of 141557138 is 831755141.

It can be written as a sum of positive squares in only one way, i.e., 70778569 + 70778569 = 8413^2 + 8413^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8413.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141557098 and 141557107.

It is not an unprimeable number, because it can be changed into a prime (141557137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 790733 + ... + 790911.

Almost surely, 2^141557138 is an apocalyptic number.

141557138 is a deficient number, since it is larger than the sum of its proper divisors (76611253).

141557138 is an frugal number, since it uses more digits than its factorization.

141557138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 228 counting only the distinct ones).

The product of its digits is 16800, while the sum is 35.

The square root of 141557138 is about 11897.7787002448. The cubic root of 141557138 is about 521.1674190533.

The spelling of 141557138 in words is "one hundred forty-one million, five hundred fifty-seven thousand, one hundred thirty-eight".