7138499001 has 16 divisors (see below), whose sum is σ = 9628015488. Its totient is φ = 4704307200.

The previous prime is 7138498967. The next prime is 7138499021. The reversal of 7138499001 is 1009948317.

It is a happy number.

It is not a de Polignac number, because 7138499001 - 2¹⁵ = 7138466233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7138499021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51321 + ... + 130041.

It is an arithmetic number, because the mean of its divisors is an integer number (601750968).

Almost surely, 2^7138499001 is an apocalyptic number.

It is an amenable number.

7138499001 is a deficient number, since it is larger than the sum of its proper divisors (2489516487).

7138499001 is a wasteful number, since it uses less digits than its factorization.

7138499001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79072.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 7138499001 is about 84489.6384238920. The cubic root of 7138499001 is about 1925.4650252040.

The spelling of 7138499001 in words is "seven billion, one hundred thirty-eight million, four hundred ninety-nine thousand, one".