1454004139 has 4 divisors (see below), whose sum is σ = 1661719024. Its totient is φ = 1246289256.

The previous prime is 1454004137. The next prime is 1454004157. The reversal of 1454004139 is 9314004541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1454004139 - 2¹ = 1454004137 is a prime.

It is a super-2 number, since 2×1454004139² = 4228256072458262642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1454004139.

It is not an unprimeable number, because it can be changed into a prime (1454004137) 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, 103857432 + ... + 103857445.

It is an arithmetic number, because the mean of its divisors is an integer number (415429756).

Almost surely, 2^1454004139 is an apocalyptic number.

1454004139 is a deficient number, since it is larger than the sum of its proper divisors (207714885).

1454004139 is an equidigital number, since it uses as much as digits as its factorization.

1454004139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207714884.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1454004139 is about 38131.4062027615. The cubic root of 1454004139 is about 1132.8920980672.

The spelling of 1454004139 in words is "one billion, four hundred fifty-four million, four thousand, one hundred thirty-nine".