142607940 has 48 divisors (see below), whose sum is σ = 399893760. Its totient is φ = 37972480.

The previous prime is 142607923. The next prime is 142607957. The reversal of 142607940 is 49706241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142607923) and next prime (142607957).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53356 + ... + 55964.

It is an arithmetic number, because the mean of its divisors is an integer number (8331120).

Almost surely, 2^142607940 is an apocalyptic number.

142607940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142607940 is an abundant number, since it is smaller than the sum of its proper divisors (257285820).

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

142607940 is a wasteful number, since it uses less digits than its factorization.

142607940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 142607940 is about 11941.8566395682. The cubic root of 142607940 is about 522.4538118402.

The spelling of 142607940 in words is "one hundred forty-two million, six hundred seven thousand, nine hundred forty".