3997400134 has 32 divisors (see below), whose sum is σ = 7407138816. Its totient is φ = 1575534240.

The previous prime is 3997400131. The next prime is 3997400159. The reversal of 3997400134 is 4310047993.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3997400131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8799 + ... + 89845.

It is an arithmetic number, because the mean of its divisors is an integer number (231473088).

Almost surely, 2^3997400134 is an apocalyptic number.

3997400134 is a deficient number, since it is larger than the sum of its proper divisors (3409738682).

3997400134 is a wasteful number, since it uses less digits than its factorization.

3997400134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81340.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 3997400134 is about 63224.9961170422. The cubic root of 3997400134 is about 1587.0570582607.

The spelling of 3997400134 in words is "three billion, nine hundred ninety-seven million, four hundred thousand, one hundred thirty-four".