142270940 has 24 divisors (see below), whose sum is σ = 341450592. Its totient is φ = 48778560.

The previous prime is 142270937. The next prime is 142270979. The reversal of 142270940 is 49072241.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507971 + ... + 508250.

It is an arithmetic number, because the mean of its divisors is an integer number (14227108).

Almost surely, 2^142270940 is an apocalyptic number.

142270940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142270940 is an abundant number, since it is smaller than the sum of its proper divisors (199179652).

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

142270940 is a wasteful number, since it uses less digits than its factorization.

142270940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016237 (or 1016235 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 142270940 is about 11927.7382600391. The cubic root of 142270940 is about 522.0419464929.

The spelling of 142270940 in words is "one hundred forty-two million, two hundred seventy thousand, nine hundred forty".