151140019 has 4 divisors (see below), whose sum is σ = 151931520. Its totient is φ = 150348520.

The previous prime is 151140001. The next prime is 151140023. The reversal of 151140019 is 910041151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910041151 = 71 ⋅12817481.

It is a cyclic number.

It is not a de Polignac number, because 151140019 - 2⁵ = 151139987 is a prime.

It is a super-2 number, since 2×151140019² = 45686610686640722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151140049) 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, 395464 + ... + 395845.

It is an arithmetic number, because the mean of its divisors is an integer number (37982880).

Almost surely, 2^151140019 is an apocalyptic number.

151140019 is a deficient number, since it is larger than the sum of its proper divisors (791501).

151140019 is an equidigital number, since it uses as much as digits as its factorization.

151140019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791500.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 151140019 is about 12293.9016996233. The cubic root of 151140019 is about 532.6719454717.

The spelling of 151140019 in words is "one hundred fifty-one million, one hundred forty thousand, nineteen".