1613101240 has 16 divisors (see below), whose sum is σ = 3629477880. Its totient is φ = 645240480.

The previous prime is 1613101223. The next prime is 1613101261. The reversal of 1613101240 is 421013161.

It is a super-2 number, since 2×1613101240² = 5204191220979075200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20163726 + ... + 20163805.

Almost surely, 2^1613101240 is an apocalyptic number.

1613101240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1613101240 is an abundant number, since it is smaller than the sum of its proper divisors (2016376640).

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

1613101240 is a wasteful number, since it uses less digits than its factorization.

1613101240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40327542 (or 40327538 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1613101240 is about 40163.4316262941. The cubic root of 1613101240 is about 1172.7907762601.

The spelling of 1613101240 in words is "one billion, six hundred thirteen million, one hundred one thousand, two hundred forty".