140933819 has 4 divisors (see below), whose sum is σ = 151774896. Its totient is φ = 130092744.

The previous prime is 140933813. The next prime is 140933827. The reversal of 140933819 is 918339041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 918339041 = 10957 ⋅83813.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140933819 is a prime.

It is a super-2 number, since 2×140933819² = 39724682675849522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140933813) 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, 5420519 + ... + 5420544.

It is an arithmetic number, because the mean of its divisors is an integer number (37943724).

Almost surely, 2^140933819 is an apocalyptic number.

140933819 is a deficient number, since it is larger than the sum of its proper divisors (10841077).

140933819 is a wasteful number, since it uses less digits than its factorization.

140933819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10841076.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 140933819 is about 11871.5550371466. Note that the first 3 decimals coincide. The cubic root of 140933819 is about 520.4013408028.

The spelling of 140933819 in words is "one hundred forty million, nine hundred thirty-three thousand, eight hundred nineteen".