90134310 has 32 divisors (see below), whose sum is σ = 247226112. Its totient is φ = 20602080.

The previous prime is 90134299. The next prime is 90134311. The reversal of 90134310 is 1343109.

It is a super-2 number, since 2×90134310² = 16248387678352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90134311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214396 + ... + 214815.

It is an arithmetic number, because the mean of its divisors is an integer number (7725816).

Almost surely, 2^90134310 is an apocalyptic number.

90134310 is an abundant number, since it is smaller than the sum of its proper divisors (157091802).

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

90134310 is a wasteful number, since it uses less digits than its factorization.

90134310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429228.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 90134310 is about 9493.9091000494. The cubic root of 90134310 is about 448.3632888442.

Adding to 90134310 its reverse (1343109), we get a palindrome (91477419).

The spelling of 90134310 in words is "ninety million, one hundred thirty-four thousand, three hundred ten".