3540378131 has 4 divisors (see below), whose sum is σ = 3600384600. Its totient is φ = 3480371664.

The previous prime is 3540378059. The next prime is 3540378137. The reversal of 3540378131 is 1318730453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1318730453 = 113 ⋅11670181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3540378131 is a prime.

It is a super-2 number, since 2×3540378131² = 25068554620926106322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3540378091 and 3540378100.

It is not an unprimeable number, because it can be changed into a prime (3540378137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30003146 + ... + 30003263.

It is an arithmetic number, because the mean of its divisors is an integer number (900096150).

Almost surely, 2^3540378131 is an apocalyptic number.

3540378131 is a deficient number, since it is larger than the sum of its proper divisors (60006469).

3540378131 is an equidigital number, since it uses as much as digits as its factorization.

3540378131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60006468.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3540378131 is about 59501.0767213502. The cubic root of 3540378131 is about 1524.1108325177.

The spelling of 3540378131 in words is "three billion, five hundred forty million, three hundred seventy-eight thousand, one hundred thirty-one".