99619141 has 4 divisors (see below), whose sum is σ = 103950432. Its totient is φ = 95287852.

The previous prime is 99619127. The next prime is 99619153. The reversal of 99619141 is 14191699.

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: 14191699 = 41 ⋅346139.

It is a cyclic number.

It is not a de Polignac number, because 99619141 - 2²¹ = 97521989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99619094 and 99619103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99619241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165611 + ... + 2165656.

It is an arithmetic number, because the mean of its divisors is an integer number (25987608).

Almost surely, 2^99619141 is an apocalyptic number.

99619141 is the 6313-rd centered pentagonal number.

It is an amenable number.

99619141 is a deficient number, since it is larger than the sum of its proper divisors (4331291).

99619141 is a wasteful number, since it uses less digits than its factorization.

99619141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331290.

The product of its digits is 17496, while the sum is 40.

The square root of 99619141 is about 9980.9388836923. The cubic root of 99619141 is about 463.5688700593.

The spelling of 99619141 in words is "ninety-nine million, six hundred nineteen thousand, one hundred forty-one".