134440434 has 24 divisors (see below), whose sum is σ = 293222592. Its totient is φ = 44515800.

The previous prime is 134440399. The next prime is 134440469. The reversal of 134440434 is 434044431.

It is an interprime number because it is at equal distance from previous prime (134440399) and next prime (134440469).

It is a junction number, because it is equal to n+sod(n) for n = 134440398 and 134440407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22014 + ... + 27449.

It is an arithmetic number, because the mean of its divisors is an integer number (12217608).

Almost surely, 2^134440434 is an apocalyptic number.

134440434 is an abundant number, since it is smaller than the sum of its proper divisors (158782158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134440434 is a wasteful number, since it uses less digits than its factorization.

134440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49622 (or 49619 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 134440434 is about 11594.8451477370. The cubic root of 134440434 is about 512.2830288385.

Adding to 134440434 its reverse (434044431), we get a palindrome (568484865).

The spelling of 134440434 in words is "one hundred thirty-four million, four hundred forty thousand, four hundred thirty-four".