140790420 has 48 divisors (see below), whose sum is σ = 438016320. Its totient is φ = 37543968.

The previous prime is 140790409. The next prime is 140790431. The reversal of 140790420 is 24097041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140790409) and next prime (140790431).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 129822 + ... + 130901.

It is an arithmetic number, because the mean of its divisors is an integer number (9125340).

Almost surely, 2^140790420 is an apocalyptic number.

140790420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140790420 is an abundant number, since it is smaller than the sum of its proper divisors (297225900).

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

140790420 is a wasteful number, since it uses less digits than its factorization.

140790420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260741 (or 260733 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 140790420 is about 11865.5138953187. The cubic root of 140790420 is about 520.2247795468.

The spelling of 140790420 in words is "one hundred forty million, seven hundred ninety thousand, four hundred twenty".