141402091 has 4 divisors (see below), whose sum is σ = 147550032. Its totient is φ = 135254152.

The previous prime is 141402089. The next prime is 141402097. The reversal of 141402091 is 190204141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190204141 = 59 ⋅3223799.

It is a cyclic number.

It is not a de Polignac number, because 141402091 - 2¹ = 141402089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141402097) 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, 3073936 + ... + 3073981.

It is an arithmetic number, because the mean of its divisors is an integer number (36887508).

Almost surely, 2^141402091 is an apocalyptic number.

141402091 is a deficient number, since it is larger than the sum of its proper divisors (6147941).

141402091 is an equidigital number, since it uses as much as digits as its factorization.

141402091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147940.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 141402091 is about 11891.2611189899. The cubic root of 141402091 is about 520.9770719706.

The spelling of 141402091 in words is "one hundred forty-one million, four hundred two thousand, ninety-one".