34501140 has 144 divisors (see below), whose sum is σ = 112519680. Its totient is φ = 8864640.

The previous prime is 34501139. The next prime is 34501147. The reversal of 34501140 is 4110543.

It is a happy number.

It is a super-2 number, since 2×34501140² = 2380657322599200, 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 (34501147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150546 + ... + 150774.

Almost surely, 2^34501140 is an apocalyptic number.

34501140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34501140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56259840).

34501140 is an abundant number, since it is smaller than the sum of its proper divisors (78018540).

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

34501140 is a wasteful number, since it uses less digits than its factorization.

34501140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 34501140 is about 5873.7671046782. The cubic root of 34501140 is about 325.5450892114.

Adding to 34501140 its reverse (4110543), we get a palindrome (38611683).

The spelling of 34501140 in words is "thirty-four million, five hundred one thousand, one hundred forty".