1240146141 has 16 divisors (see below), whose sum is σ = 1885472064. Its totient is φ = 718274304.

The previous prime is 1240146133. The next prime is 1240146143. The reversal of 1240146141 is 1416410421.

1240146141 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1240146141 - 2³ = 1240146133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240146143) 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, 934591 + ... + 935916.

It is an arithmetic number, because the mean of its divisors is an integer number (117842004).

Almost surely, 2^1240146141 is an apocalyptic number.

It is an amenable number.

1240146141 is a deficient number, since it is larger than the sum of its proper divisors (645325923).

1240146141 is a wasteful number, since it uses less digits than its factorization.

1240146141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870540.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1240146141 is about 35215.7087249426. The cubic root of 1240146141 is about 1074.3792748939.

Adding to 1240146141 its reverse (1416410421), we get a palindrome (2656556562).

The spelling of 1240146141 in words is "one billion, two hundred forty million, one hundred forty-six thousand, one hundred forty-one".