9409134157 has 8 divisors (see below), whose sum is σ = 9641875320. Its totient is φ = 9176547840.

The previous prime is 9409134127. The next prime is 9409134173. The reversal of 9409134157 is 7514319049.

It can be written as a sum of positive squares in 4 ways, for example, as 2268036 + 9406866121 = 1506^2 + 96989^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-9409134157 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 (9409134127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89503 + ... + 163795.

It is an arithmetic number, because the mean of its divisors is an integer number (1205234415).

Almost surely, 2^9409134157 is an apocalyptic number.

It is an amenable number.

9409134157 is a deficient number, since it is larger than the sum of its proper divisors (232741163).

9409134157 is a wasteful number, since it uses less digits than its factorization.

9409134157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77423.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 9409134157 is about 97000.6915284628. The cubic root of 9409134157 is about 2111.1376625832.

The spelling of 9409134157 in words is "nine billion, four hundred nine million, one hundred thirty-four thousand, one hundred fifty-seven".