7640403134 has 48 divisors (see below), whose sum is σ = 14566349088. Its totient is φ = 2940852096.

The previous prime is 7640403107. The next prime is 7640403149. The reversal of 7640403134 is 4313040467.

It is a self number, because there is not a number n which added to its sum of digits gives 7640403134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43904 + ... + 131180.

It is an arithmetic number, because the mean of its divisors is an integer number (303465606).

Almost surely, 2^7640403134 is an apocalyptic number.

7640403134 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

7640403134 is a deficient number, since it is larger than the sum of its proper divisors (6925945954).

7640403134 is a wasteful number, since it uses less digits than its factorization.

7640403134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87349 (or 87336 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 7640403134 is about 87409.3995746453. The cubic root of 7640403134 is about 1969.5730420543.

The spelling of 7640403134 in words is "seven billion, six hundred forty million, four hundred three thousand, one hundred thirty-four".