1142940351 has 8 divisors (see below), whose sum is σ = 1741623424. Its totient is φ = 653108760.

The previous prime is 1142940349. The next prime is 1142940361. The reversal of 1142940351 is 1530492411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142940351 - 2¹ = 1142940349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142940361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27212845 + ... + 27212886.

It is an arithmetic number, because the mean of its divisors is an integer number (217702928).

Almost surely, 2^1142940351 is an apocalyptic number.

1142940351 is a deficient number, since it is larger than the sum of its proper divisors (598683073).

1142940351 is an equidigital number, since it uses as much as digits as its factorization.

1142940351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54425741.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1142940351 is about 33807.4008317705. The cubic root of 1142940351 is about 1045.5412902030.

The spelling of 1142940351 in words is "one billion, one hundred forty-two million, nine hundred forty thousand, three hundred fifty-one".