3540637157 has 12 divisors (see below), whose sum is σ = 3668724864. Its totient is φ = 3416482440.

The previous prime is 3540637147. The next prime is 3540637183. The reversal of 3540637157 is 7517360453.

It is a happy number.

It is not a de Polignac number, because 3540637157 - 2¹⁰ = 3540636133 is a prime.

It is a super-2 number, since 2×3540637157² = 25072222955058085298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540637147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141932 + ... + 165002.

It is an arithmetic number, because the mean of its divisors is an integer number (305727072).

Almost surely, 2^3540637157 is an apocalyptic number.

It is an amenable number.

3540637157 is a deficient number, since it is larger than the sum of its proper divisors (128087707).

3540637157 is an equidigital number, since it uses as much as digits as its factorization.

3540637157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23240 (or 23197 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 41.

The square root of 3540637157 is about 59503.2533312255. The cubic root of 3540637157 is about 1524.1480013069.

The spelling of 3540637157 in words is "three billion, five hundred forty million, six hundred thirty-seven thousand, one hundred fifty-seven".