7401134591 has 4 divisors (see below), whose sum is σ = 7405823400. Its totient is φ = 7396445784.

The previous prime is 7401134539. The next prime is 7401134599. The reversal of 7401134591 is 1954311047.

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 7401134591 - 2⁶ = 7401134527 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 (7401134599) 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, 2342036 + ... + 2345193.

It is an arithmetic number, because the mean of its divisors is an integer number (1851455850).

Almost surely, 2^7401134591 is an apocalyptic number.

7401134591 is a deficient number, since it is larger than the sum of its proper divisors (4688809).

7401134591 is a wasteful number, since it uses less digits than its factorization.

7401134591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688808.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 7401134591 is about 86029.8470939011. The cubic root of 7401134591 is about 1948.7947486180.

The spelling of 7401134591 in words is "seven billion, four hundred one million, one hundred thirty-four thousand, five hundred ninety-one".