134402310 has 48 divisors (see below), whose sum is σ = 399368736. Its totient is φ = 30720384.

The previous prime is 134402309. The next prime is 134402311. The reversal of 134402310 is 13204431.

It is an interprime number because it is at equal distance from previous prime (134402309) and next prime (134402311).

It is a super-2 number, since 2×134402310² = 36127961866672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134402311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106039 + ... + 107298.

It is an arithmetic number, because the mean of its divisors is an integer number (8320182).

Almost surely, 2^134402310 is an apocalyptic number.

134402310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

134402310 is an abundant number, since it is smaller than the sum of its proper divisors (264966426).

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

134402310 is a wasteful number, since it uses less digits than its factorization.

134402310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213357 (or 213354 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 134402310 is about 11593.2010247386. The cubic root of 134402310 is about 512.2346006388.

Adding to 134402310 its reverse (13204431), we get a palindrome (147606741).

The spelling of 134402310 in words is "one hundred thirty-four million, four hundred two thousand, three hundred ten".