1033140021 has 8 divisors (see below), whose sum is σ = 1378101024. Its totient is φ = 688469520.

The previous prime is 1033139983. The next prime is 1033140107. The reversal of 1033140021 is 1200413301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1033140021 - 2⁹ = 1033139509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033140221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64186 + ... + 78651.

It is an arithmetic number, because the mean of its divisors is an integer number (172262628).

Almost surely, 2^1033140021 is an apocalyptic number.

It is an amenable number.

1033140021 is a deficient number, since it is larger than the sum of its proper divisors (344961003).

1033140021 is a wasteful number, since it uses less digits than its factorization.

1033140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145251.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1033140021 is about 32142.4955627282. The cubic root of 1033140021 is about 1010.9268428976.

Adding to 1033140021 its reverse (1200413301), we get a palindrome (2233553322).

The spelling of 1033140021 in words is "one billion, thirty-three million, one hundred forty thousand, twenty-one".