64380134 has 16 divisors (see below), whose sum is σ = 118855968. Its totient is φ = 25468992.

The previous prime is 64380133. The next prime is 64380137. The reversal of 64380134 is 43108346.

It is a junction number, because it is equal to n+sod(n) for n = 64380097 and 64380106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64380133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176687 + ... + 177050.

It is an arithmetic number, because the mean of its divisors is an integer number (7428498).

Almost surely, 2^64380134 is an apocalyptic number.

64380134 is a deficient number, since it is larger than the sum of its proper divisors (54475834).

64380134 is a wasteful number, since it uses less digits than its factorization.

64380134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353759.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 64380134 is about 8023.7232006096. The cubic root of 64380134 is about 400.7903830413.

The spelling of 64380134 in words is "sixty-four million, three hundred eighty thousand, one hundred thirty-four".