130400101 has 4 divisors (see below), whose sum is σ = 140430892. Its totient is φ = 120369312.

The previous prime is 130400077. The next prime is 130400117. The reversal of 130400101 is 101004031.

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: 101004031 = 7499 ⋅13469.

It can be written as a sum of positive squares in 2 ways, for example, as 84824100 + 45576001 = 9210^2 + 6751^2 .

It is a cyclic number.

It is not a de Polignac number, because 130400101 - 2⁵ = 130400069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130409101) 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, 5015376 + ... + 5015401.

It is an arithmetic number, because the mean of its divisors is an integer number (35107723).

Almost surely, 2^130400101 is an apocalyptic number.

It is an amenable number.

130400101 is a deficient number, since it is larger than the sum of its proper divisors (10030791).

130400101 is a wasteful number, since it uses less digits than its factorization.

130400101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030790.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 130400101 is about 11419.2863612399. The cubic root of 130400101 is about 507.0988697757.

Adding to 130400101 its reverse (101004031), we get a palindrome (231404132).

The spelling of 130400101 in words is "one hundred thirty million, four hundred thousand, one hundred one".